5¢ Blue 4LR50
5-cent-blue-4lr50.webp
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Last Updated: Mar 7, 2026

Image Provider: RB/GM

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5¢ Blue 4LR50

Strong guide dot in the lower right corner and a lighter one at right centre.

Research notes:

This item was not listed in his book, but was present in Marler's personal collection with the suggested plate position annotated.
Flaw in Zone 2
Plate Position: 4LR50
Not listed in Marler
Marler Type: 1A
Format ~ Sheet
Marler Type Details

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