Rydex Specialized Products LLC
9601 Blackwell Road, Suite 500
Rockville, MD 20850

February 5, 2007

Securities and Exchange Commission
Division of Corporation Finance
450 Fifth Street, N.W.
Washington, D.C. 20549-0308
Mail Stop 3720
Attn:  Terry French
           Gopal Dharia

Re: CurrencyShares^SM British Pound Trust (File No. 1-32906)
CurrencyShares^SM Australian Dollar Trust (File No. 1-32911)
CurrencyShares^SM Canadian Dollar Trust (File No. 1-32910)
CurrencyShares^SM Mexican Peso Trust (File No. 1-32909)
CurrencyShares^SM Swiss Franc Trust (File No. 1-32907)
CurrencyShares^SM Swedish Krona Trust (File No. 1-32908)
Item 4.02(a) of Form 8-K
Filed on January 22, 2007

Ladies and Gentlemen:

        In regard to the above-referenced Current Reports on Form 8-K, the undersigned, as CEO and Treasurer of Rydex Specialized Products LLC, the sponsor (the “Sponsor”) of CurrencyShares^SM British Pound Trust, CurrencyShares^SM Australian Dollar Trust, CurrencyShares^SM Canadian Dollar Trust, CurrencyShares^SM Mexican Peso Trust, CurrencyShares^SM Swiss Franc Trust, and CurrencyShares^SM Swedish Krona Trust, (the “Trusts”), hereby acknowledges on behalf of the Trusts that:

• The Sponsor on behalf of the Trusts is responsible for the adequacy and accuracy of the disclosure in the filings;

• Staff comments or changes to disclosure in response to staff comments do not foreclose the Securities and Exchange Commission (the “Commission”) from taking any action with respect to the filings; and

• The Sponsor and the Trust may not assert staff comments as a defense in any proceeding initiated by the Commission or any person under the federal securities laws of the United States.

Very truly yours,

CURRENCYSHARES^SM BRITISH POUND TRUST

CURRENCYSHARES^SM AUSTRALIAN DOLLAR TRUST

CURRENCYSHARES^SM CANADIAN DOLLAR TRUST

CURRENCYSHARES^SM MEXICAN PESO TRUST
CURRENCYSHARES^SM SWISS FRANC TRUST

CURRENCYSHARES^SM SWEDISH KRONA TRUST

By Rydex Specialized Products LLC

Sponsor of the Trusts

By:  /s/ Carl G. Verboncoeur

        Carl G. Verboncoeur

        CEO and Treasurer

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