Proof Block of Four 6½p, corner block of four plate proofs in black on thick card; upper left impression stained, the card thinned at top clear of the design | Christie's

Lot 28

Proof Block of Four 6½p, corner block of four plate proofs in black on thick card; upper left impression stained, the card thinned at top clear of the design

Details

Proof Block of Four 6½p, corner block of four plate proofs in black on thick card; upper left impression stained, the card thinned at top clear of the design

Provenance

Sidney Harris, 1968
est.