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Circular Steel Duplex in Violet or violet-Black Period of Use: February 4, 1900 to April 12, 1900 1900 FEBUARY 4: DAGUPAN to PHILADELPHIA This is the
new ERU date, postmarkedone day earlier than the previous
Postmark more often exist in deformed state. Ref: Goodale A-1 and Baker C-4 LATEST EARLIEST RECORDED USE |
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