Union of South Africa. 1926. SACC 30P. Proving Block with Extra Perforations.
Union of South Africa. 1926 1d Pretoria Printing (SACC 30P) in a Top Corner Block with Extra Perforations as per scan. Top pair unmounted mint; bottom pair mounted mint. These proving pieces used to be listed in the SACC at more than 3x a normal pair.
R385
REF NW470A
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Union of South Africa. 1926. SACC 30P. Proving Block with Extra Perforations.
