Almack’s Voucher, from the exhibit “Revisiting the Regency”, Huntington Library, San Marino, CA, 2011.

The voucher is assigned to the Marchioness of Buckingham. It is signed with the initials “M.D.”, which likely refers to Mary, Lady Downshire, one of the patronesses. This voucher is for balls in the month of April only, so apparently Lady Buckingham did not have an annual voucher.