Description
GB 1971 Machin: three unmounted mint blocks with SG-listed varieties: 2p PCP r15/4, 3½p CB r6/7, 9p 2B r10/1 [ref 293-607/l/ak0269]
Machin: three um blocks with SG-listed varieties: 2p PCP r15/4, 3½p CB r6/7, 9p 2B r10/1
GB 1971 Machin: three unmounted mint blocks with SG-listed varieties: 2p PCP r15/4, 3½p CB r6/7, 9p 2B r10/1 [ref 293-607/l/ak0269]