SIDLEY AUSTIN LLP 787 SEVENTH AVENUE NEW YORK, NY 10019 (212) 839 5300 (212) 839 5599 FAX	BEIJING BRUSSELS CHICAGO DALLAS FRANKFURT GENEVA HONG KONG LONDON LOS ANGELES	NEW YORK PALO ALTO SAN FRANCISCO SHANGHAI SINGAPORE SYDNEY TOKYO WASHINGTON, D.C.
	Sender’s Email: jmunsell@sidley.com Sender’s Direct Tel 212-839-5609	FOUNDED 1866

December 10, 2010

VIA EDGAR

Sonia Gupta Barros (Mail Stop 3010)

Special Counsel

United States Securities and Exchange Commission

450 Fifth Street N.W.

Washington, D.C. 20549

Re: Comments to Post-Effective Amendment No. 1 to Registration Statement on Form S-3 Filed on November 12, 2010 for PowerShares DB Multi-Sector Commodity Trust, PowerShares DB Energy Fund, PowerShares DB Oil Fund, PowerShares DB Precious Metals Fund, PowerShares DB Gold Fund, PowerShares DB Silver Fund, PowerShares DB Base Metals Fund, PowerShares DB Agriculture Fund, DB Multi-Sector Commodity Master Trust, DB Energy Master Fund, DB Oil Master Fund, DB Precious Metals Master Fund, DB Gold Master Fund, DB Silver Master Fund, DB Base Metals Master Fund and DB Agriculture Master Fund (File Nos. 333-163453; 333-163453-01; 333-163453-02; 333-163453-03;333-163453-04; 333-163453-05; 333-163453-06; 333-163453-07; 333-163453-08; 333-163453-09; 333-163453-10; 333-163453-11; 333-163453-12; 333-163453-13; 333-163453-14; 333-163453-15)

Dear Ms. Barros:

Thank you for your comment letter dated November 17, 2010 (the “Comment Letter”), addressed to Hans Ephraimson, Chief Executive Officer of DB Commodity Services LLC (the “Managing Owner”), in connection with the filing of Post-Effective Amendment No. 1 Registration Statement on Form S-3 filed on November 12, 2010 for PowerShares DB Multi-Sector Commodity Trust, PowerShares DB Energy Fund, PowerShares DB Oil Fund, PowerShares DB Precious Metals Fund, PowerShares DB Gold Fund, PowerShares DB Silver Fund, PowerShares DB Base Metals Fund, PowerShares DB Agriculture Fund, DB Multi-Sector Commodity Master Trust, DB Energy Master Fund, DB Oil Master Fund, DB Precious Metals Master Fund, DB Gold Master Fund, DB Silver Master Fund, DB Base Metals Master Fund and DB Agriculture Master Fund (the “Registration Statement”).

Sidley Austin LLP is a limited liability partnership practicing in affiliation with other Sidley Austin partnerships

Page 2

This letter responds on behalf of the Managing Owner to the comment you raised in the Comment Letter. We have included the text of your comment below in italics, with our response immediately following.

1. Paragraph (a) of Item 12 of Form S-3 provides that you may incorporate by reference all other reports filed pursuant to Section 13(a) or 15(d) of the Exchange Act since the end of the fiscal year covered by the annual report “by means of a statement to that effect in the prospectus listing all such documents.” You have not listed such other documents that you have incorporated by reference. Please revise to specifically list each Form 10-Q and Form 8-K you have incorporated by reference. In addition, to the extent you wish to incorporate by reference any filings filed by you pursuant to the Exchange Act between the date of filing the amended registration statement and prior to the effectiveness of the amended registration statement, please use the language provided in our Securities Act Forms Compliance & Disclosure Interpretation Question 123.05.

Response:

We have filed a Post-Effective Amendment to the Registration Statement addressing the above comment simultaneously with the filing of this letter.

* * * *

If you have any further questions or comments, please do not hesitate to call me at 212.839.5609.

Very truly yours,

/s/ James C. Munsell

James C. Munsell

Enclosure

cc:    Hans Ephraimson