Nice group of lots. Trying to collect each plate number used to produce these issues is a fascinating pursuit. Be prepared to work on it for years if you hope to achieve anything near completion. I suggest that you get a current copy of the Durland catalog. The American Plate Number Single Society is a good resource as well. The United States Specialist publication is a must have as there have been a good number of recent and past articles on US possessions in general and plate number collecting more specifically.
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