GB REGIONAL DEFINITIVE ISSUE COLOUR PRINTING ERROR, USED STAMP - WALES

SECOND STAMP INCLUDED, SHOWS CORRECT COLOUR PRINT 

MACHIN PORTRAIT QE11 DEFINITIVE STAMP, GREY RED COLOUR

FIRST ISSUED 7/12/1993, POSTAGE VALUE 2 x 25p

AS PER SCAN

EXTREMELY RARE, VERY COLLECTABLE