unused -- 8a. purple overprinted "SERVICE/POSTAGE", fine unused without gum. Rare. B.P.A. Certificate (1990). S.G. O18, #3750. Photo | Christie's

Lot 358

358

unused -- 8a. purple overprinted "SERVICE/POSTAGE", fine unused without gum. Rare. B.P.A. Certificate (1990). S.G. O18, #3750. Photo

Details

unused -- 8a. purple overprinted "SERVICE/POSTAGE", fine unused without gum. Rare. B.P.A. Certificate (1990). S.G. O18, #3750. Photo

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