Proofs ex the Archives. 1989. SACC 367a. Marginal Gutter Control Block. Only 9 such blocks can exist.
South West Africa. Proofs ex the Archives. 1989 10c Reprint (SACC 367a) in a Marginal Gutter Control Block. Very fine unmounted mint.
R2500
REF B2040
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Proofs ex the Archives. 1989. SACC 367a. Marginal Gutter Control Block. Only 9 such blocks can exist.
