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| Title | Inquiry for Loss or Rifling of Mail Matter |
| FormNumber | 1510 |
| Revision | 1964 |
| Division | Inquiry |
| WhereUsed | For all domestic mail. Also for loss in foreign mails (for 3rd and 4th class offices). Also for rifling, damage, delay and wrong delivery of foreign mail. |
| EKU | 1893 DLS |
| LKU | 1956 ASW |
| Notes | Image of front, and envelope used to return to patron. Harvested from eBay 2023. |
| Source | SS |
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