Proof Block of Four 2p, corner block of four plate proofs in black on thick card, endorsed "Septr 15th/56"; lower left impression with slight soiling, otherwise fine; rare | Christie's

Lot 23

Proof Block of Four 2p, corner block of four plate proofs in black on thick card, endorsed "Septr 15th/56"; lower left impression with slight soiling, otherwise fine; rare

Details

Proof Block of Four 2p, corner block of four plate proofs in black on thick card, endorsed "Septr 15th/56"; lower left impression with slight soiling, otherwise fine; rare

Provenance

Sidney Harris, 1968
Robert H. Pratt, 1986
est.