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| Title | Sender's Statement and Certificate of Bulk Mailing of Matter Paid with Stamps or Meter Postage |
| FormNumber | 3606 |
| Revision | Oct. 1971 |
| Division | |
| WhereUsed | Proof of mailing |
| EKU | Aug 8, 1976 |
| LKU | |
| Notes | Image of form taken from eBay seller weiszcovers (Doug Weisz), Oct 2023. Item from Tony Wawrukiewicz' s Exhibit |
| Source | JohnB |
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