The Trial Color Process for the 1890 Issue   1889-1890

The Colors Originally Proposed by the American Bank Note Company

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Deep Dull Orange
Dark Brown
Dull Red Brown
Deep Green
Chestnut Brown

The color proposed for the 1890 issue if the new(small) size of stamps was continued
Overprinted "SAMPLE A"

The color as finally accepted.
A Plate Proof Block on stamp paper