Exhibit 5.10

[MARSTON & MARSTON, INC. LETTERHEAD]

TO:	Ontario Securities Commission British Columbia Securities Commission Alberta Securities Commission Saskatchewan Financial Services Commission, Securities Division Manitoba Securities Commission New Brunswick Securities Commission Nova Scotia Securities Commission Registrar of Securities, Prince Edward Island Securities Commission of Newfoundland and Labrador
AND TO:	U.S. Securities and Exchange Commission
AND TO:	Gold Reserve Inc. (the “Company”)
AND TO:	Fasken Martineau DuMoulin LLP
RE:	Short Form Prospectus of the Company, dated May 14, 2007 (the “Prospectus”)

Marston & Marston, Inc. hereby consents to the use of its name and references to the October 2006 Brisas Resource and Reserve Update (the “Report”), or portions thereof, in the Prospectus and in the Registration Statement on Form F-10 filed by the Company, as such may thereafter be amended or supplemented (the “Registration Statement”).

We further certify that we have read the disclosure derived from the Report in the Prospectus and the Registration Statement, together with the documents incorporated by reference therein (collectively, the “Documents”), and we do not have any reason to believe that there are any misrepresentations in the information derived from the Report that is contained in the Documents or that the disclosure in the Documents contains any misrepresentation of the information contained in the Report.

Dated this 14 day of May, 2007.

MARSTON & MARSTON, INC.
Per:	/s/  Susan Poos
Name:	Susan Poos
Title:	Vice President