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| Title | Invoice for postage stamps from 3rd Assistant PMG |
| FormNumber | 3227 |
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| WhereUsed | Packing slip and receipt to accompany a shipment from the Sub-Agency (St. Louis) to a postmaster |
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| Notes | This example dated Feb 16, 1940 and notes shipment of Poets, Famous Americans issue. |
| Source | JohnB |
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