used (1d.) greenish blue horizontal pair with small to good margins, both cancelled "2", very fine. A scarce multiple. R.P.S. Certificate (1951). S.G. 15, £1800+. Photo
used (1d.) greenish blue horizontal pair with small to good margins, both cancelled "2", very fine. A scarce multiple. R.P.S. Certificate (1951). S.G. 15, £1800+. Photo
used (1d.) greenish blue horizontal pair with small to good margins, both cancelled "2", very fine. A scarce multiple. R.P.S. Certificate (1951). S.G. 15, £1800+. Photo
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