4p + 5p Machin Promotional Miniature sheet

produced in 1973, this miniature sheet saw VAT being added to stamp sales. Chris Musitano of Express Stamp Auctions took umbridge of this, hence the sheet. around 5000 were produced by H.M.S.O. on pva gum and with writing all round stamp contravined the then postal regulations. However, this is now fully valid for postage under rule changes (Brought in for P.O. issues)and is thus GB first miniature sheet.