Fountain pen signature, "Charles,” on the reverse of a white 4.5 x 3.5 admittance card for a reception for Croyden & Dudley Market Traders at Highgrove House in Tetbury on May 23, 1996. In very fine condition. Encapsulated in a PSA/DNA authentication holder. Accompanied by additional ephemera related to the event, such as a second admittance card, an invitation with envelope, a press release, and publicity photos of the Royal family and Prince William.