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| Title | Assignment of number blocks - for registered, insured, certified, and COD mail |
| FormNumber | 3857 |
| Revision | |
| Division | |
| WhereUsed | numbers assigned to person handling these items re numbers to be used numbering them |
| EKU | 1972 ASW |
| LKU | |
| Notes | unused 1972 |
| Source | SS |
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