Proof Specimen Block of Four 6d. blue block of four backed on card, each overprinted "SPECIMEN." in carmine vertically, fine | Christie's

Lot 151

151

Proof Specimen Block of Four 6d. blue block of four backed on card, each overprinted "SPECIMEN." in carmine vertically, fine

Details

Proof Specimen Block of Four 6d. blue block of four backed on card, each overprinted "SPECIMEN." in carmine vertically, fine

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