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| Start / | Knowledge / | Postal Shipments / |
| Categories | Changes | Fakes | Quality | Safety Measures | Shapes | Shipping Packagings | Additional Service Combinations | Other Shipments |
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Knowledge / Postal Shipments / Shipments / Changes |
Postal Shipments Change: the same postage shipments with a time-shifted change |
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Increase In Postal Shipment Weight: increase of the weight of a postal shipment in the 1st weight category without any change in the fee (e.g. inland cover from 15 to 20 grams on July 1, 1906) |
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Postal Shipment Weigh Reduction: reduction of the weight for a postal shipment in the 1st weight category without any change in the fee (e.g. inland printed matter from 50 to 20 grams on July 1, 1922) |
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