KGVI £1 BROWN (SG512) HIGHVALUES USED TO RECEIPT PAYMENT OF NHS PRESCRIPTION CHARGES. 1955 large part form for use by dispensing doctors as a receipt for £8 using 1951 £1 brown (SG512) with ms cancellations and punched (presumably to prevent sale to collectors), on reverse 1955 part cachet from West Riding of Yorks Executive Council. Unusual. (Ref 86885).