SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G/A
                              Rule 13d-1 and 13d-2
                    Under the Securities Exchange Act of 1934

                          Hallmark Financial Services Inc.
--------------------------------------------------------------------------------
                                 (Name of Issuer)


                                   Common Stock
--------------------------------------------------------------------------------
                          (Title of Class of Securities)


                                    40624Q203
--------------------------------------------------------------------------------
                                  (CUSIP Number)


                                    12/31/2012
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

| | Rule 13d-1 (b)
|X| Rule 13d-1 (c)
| | Rule 13d-1 (d)

* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).



 (1) Names and I.R.S. Identification Nos.(entities only) of reporting persons.

     Overbrook Limited Partnership

 (2) Check the appropriate box if a member of a group (see instructions)  (a)|_|
                                                                          (b)|X|

 (3) SEC use only.

 (4) Citizenship or place of organization.

     Delaware

Number of shares beneficially owned by each reporting person with:

 (5) Sole voting power:
     0

 (6) Shared voting power:
     939,200

 (7) Sole dispositive power:
     0

 (8) Shared dispositive power:
     939,200

 (9) Aggregate amount beneficially owned by each reporting person.
     939,200

 (10) Check if the aggregate amount in Row (9) excludes certain shares  |_|
     (see instructions).

 (11) Percent of class represented by amount in Row 9.
     4.9%

 (12) Type of reporting person (see instructions).
      PN

 (1) Names and I.R.S. Identification Nos.(entities only) of reporting persons.

     Caxton Corporation

 (2) Check the appropriate box if a member of a group (see instructions)  (a)|_|
                                                                          (b)|X|

 (3) SEC use only.

 (4) Citizenship or place of organization.

    Delaware

    Number of shares beneficially owned by each reporting person with:
 (5) Sole voting power:
    0

 (6) Shared voting power:
    939,200

 (7) Sole dispositive power:
    0

 (8) Shared dispositive power:
    939,200

 (9) Aggregate amount beneficially owned by each reporting person.
    939,200

 (10) Check if the aggregate amount in Row (9) excludes certain shares  |_|
    (see instructions).

 (11) Percent of class represented by amount in Row 9.
    4.9%

 (12)Type of reporting person (see instructions).
    CO



 (1) Names and I.R.S. Identification Nos.(entities only) of reporting persons.
     Kovner, Bruce

 (2) Check the appropriate box if a member of a group (see instructions)  (a)|_|
                                                                          (b)|X|

 (3) SEC use only.

 (4) Citizenship or place of organization.
     United States

Number of shares beneficially owned by each reporting person with:

 (5) Sole voting power:
     0

 (6) Shared voting power:
     939,200

 (7) Sole dispositive power:
     0

 (8) Shared dispositive power:
     939,200

 (9) Aggregate amount beneficially owned by each reporting person.
     939,200

 (10) Check if the aggregate amount in Row (9) excludes certain shares  |_|
     (see instructions).

 (11) Percent of class represented by amount in Row 9.
     4.9%

 (12) Type of reporting person (see instructions).
      IN



Item 1(a). Name of Issuer:
           Hallmark Financial Services Inc.

Item 1(b). Address of Issuer's Principal Executive Offices:
           777 Main Street, Suite 1000
           Fort Worth, TX 76102

Item 2(a). Name of Person Filing:

(i)   Overbrook Limited Partnership.
(ii)  Caxton Corporation is the General Partner of Overbrook Limited
      Partnership and, as such has voting and dispositive power with
      respect to the investments of Overbrook Limited Partnership.
(iii) Mr. Bruce S. Kovner.  Mr. Kovner is the sole shareholder of Caxton
      Corporation, the General Partner of Overbrook Limited Partnership.
      As a result of the foregoing, Mr. Kovner may be deemed to
      beneficially own the securities of the Issuer owned by Overbrook
      Limited Partnership.

Item 2(b). Address or Principal Business Office or, If None, Residence:

(i)   The address of Overbrook Limited Partnership is Princeton Plaza,
      Building 2, 731 Alexander Road, Princeton, NJ 08540.
(ii)  The address of Caxton Corporation is Princeton Plaza, Building 2,
      731 Alexander Road, Princeton, NJ 08540.
(iii) The business address of Mr. Kovner is 500 Park Avenue,
      New York, NY  10022.

Item 2(c). Citizenship:

(i)   Overbrook Limited Partnership is a Delaware Limited Partnership.
(ii)  Caxton Corporation is a Delaware Corporation.
(iii) Mr. Kovner is a United States citizen.

Item 2(d). Title of Class of Securities:
           Common Stock

Item 2(e). CUSIP No.:
           40624Q203

Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or
        (c), Check Whether the Person Filing is a:
         Not Applicable

If this statement is filed pursuant to Rule 13d-1(c), check this box. |X|

Item 4. Ownership

        Not Applicable

Item 5. Ownership of 5 Percent or Less of a Class.
        If this statement is being filed to report the fact that
        as of the date hereof the reporting person has ceased to be
        the beneficial owner of more than 5 percent of the class of
        securities, check the following [X].

        Shares reported are beneficially owned as of February 13, 2013.


Item 6. Ownership of More than 5 Percent on Behalf of Another Person.

        Not Applicable

Item 7. Identification and Classification of the Subsidiary Which Acquired the
        Security Being Reported on by the Parent Holding Company or Control
        Person.

        Not Applicable

Item 8. Identification and Classification of Members of the Group.

        Not Applicable

Item 9. Notice of Dissolution of Group.

        Not Applicable

Item 10. Certifications

By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.


                                        Overbrook Limited Partnership

                                        by: Caxton Corporation, it's
                                        General Partner
Date: 2/14/2013                         /s/ Karen Cross
                                        -------------------------------
                                        Name: Karen Cross
                                        Title: Vice President & Controller


                                        Caxton Corporation

Date: 2/14/2013                         /s/ Karen Cross
                                        -------------------------------
                                        Name: Karen Cross
                                        Title: Vice President & Controller

Date: 2/14/2013                         /s/ Heath N. Weisberg
                                        -------------------------------
                                        Name: Bruce S. Kovner
                                        Title: signed by Heath N. Weisberg
                                               as Attorney-in-Fact


The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is
signed on behalf of a person by his authorized representative other than
an executive officer or general partner of the filing person, evidence of
the representative's authority to sign on behalf of such person shall be
filed with the statement, provided, however, that a power of attorney for
this purpose which is already on file with the Commission may be
incorporated by reference.  The name and any title of each person who signs
the statement shall be typed or printed beneath his signature.

ATTENTION: Intentional misstatements or omissions of fact constitute Federal
criminal violations (see 18 U.S.C. 1001). (Secs. 3(b), 13(d)(1), 13(d)(2),
13(d)(5), 13(d)(6), 13(g)(1), 13(g)(2), 13(g)(5), 23, 48 Stat. 882, 894, 901;
sec. 203(a), 49 Stat. 704; sec. 8, 49 Stat. 1379; sec. 10, 78 Stat. 88a; sec.
2, 82 Stat. 454; secs. 1, 2, 84 Stat. 1497; secs. 3, 10, 18, 89 Stat. 97, 119,
155; secs. 202, 203, 91 Stat. 1494, 1498, 1499; (15 U.S.C. 78c(b), 78m(d)(1),
78m(d)(2), 78m(d)(5), 78m(d)(6), 78m(g)(1), 78m(g)(2), 78m(g)(5), 78w)) [43 FR
18499, Apr. 28, 1978, as amended at 43 FR 55756, Nov. 29, 1978; 44 FR 2148,
Jan. 9, 1979; 44 FR 11751, Mar. 2, 1979; 61 FR 49959, Sept. 24, 1996; 62 FR
35340, July 1, 1997; 63 FR 2867, Jan. 16, 1998; 63 FR 15287, Mar. 31, 1998]


                                 Certification


The undersigned hereby certifies that the shares of Hallmark Financial Services
Inc. acquired by Overbrook Limited Partnership were not acquired and
are not being held for the purpose of or with the effect of changing or
influencing the control of the issuer of such securities and were not acquired
and are not held in connection with or as a participant in any transaction
having that purpose or effect.

                                        Overbrook Limited Partnership

                                        by: Caxton Corporation, it's
                                        General Partner
Date: 2/14/2013                         /s/ Karen Cross
                                        ------------------------------
                                        Name: Karen Cross
                                        Title: Vice President & Controller



                        JOINT ACQUISITION STATEMENT
                        PURSUANT TO RULE 13d-1(k) (1)

The undersigned acknowledge and agree that the foregoing statement on Schedule
13G is filed on behalf of each of the undersigned and that all subsequent
amendments to this statement on Schedule 13G shall be filed on behalf of each
of the undersigned without the necessity of filing additional joint acquisition
statements.  The undersigned acknowledge that each shall be responsible for the
timely filing of such amendments, and for the completeness and accuracy of the
information concerning him or it contained therein, but shall not be
responsible for the completeness and accuracy of the information concerning
the other, except to the extent that he or it knows or has reason to believe
that such information is inaccurate.

                                        Overbrook Limited Partnership

                                        by: Caxton Corporation, it's
                                        General Partner
Date: 2/14/2013                         /s/ Karen Cross
                                        -----------------------------
                                        Name: Karen Cross
                                        Title: Vice President & Controller


                                        Caxton Corporation

                                        /s/ Karen Cross
                                        -----------------------------
                                        Name: Karen Cross
                                        Title: Vice President & Controller

                                        /s/ Heath N. Weisberg
                                        -----------------------------
                                        Name: Bruce S. Kovner
                                        Title: signed by Heath N. Weisberg
                                               as Attorney-in-Fact