Auction Series 257-264 in Zurich Day 4

Pacific Steam Navigation Co 1857: Perkins Bacon Master Die Proofs, imperforate, printed in black on thick paper, both with good to large margins all round, each stuck down on non-contemporary white card. Extremely rare with just five sets recorded in private hands.rnNote: The difference between the 1 real Die and Plate Proofs can be seen in the smoke from the Steamer: in the Die Proofs the smoke extends to the edge of the inner oval at right. On the Plate Proofs (offered below) the smoke does not reach the inner oval. On the 2 reales value the Die Proof shows a small crack at the base of the '2', this had been repaired on the Plate Proofs.rnProvenance: Corinphila sale 84, Oct 1992, lor 5509.
Catalogue 261: Stamp Issuing Steamship Companies