3¢ Brown 23UR31

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Last Updated: Jan 20, 2026

3¢ Brown 23UR31

Plate position determined by process of elimination. This is a lower stamp of a vertical pair. The retouched oval in this stamp is 'inside' the left frame and not match any of the other similar positions which have a straight edge on the left.

Retouch in Zone 9

Plate Position: 23UR31

Not listed in Marler

Straight Edge Left

Marler Type: 6A

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