63TC5g 1c Dark Brown Trial Color Proof Pair on Wyckoff Patent Paper

$60.00

Patent No. 53,723 was granted William Wyckoff on April 3, 1866His patent called for coating the stamp paper with zinc oxide. This would form a barrier between the paper and the ink received during the printing process. Wyckoff’s concept produced a very sharp image for the finished product.

Additional information

Catalog Number

63TC5g

Condition

VF

Paper

Wyckoff Patent Paper

Date

1861

Color

Dark Brown

Catalog Value

80.00

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