| Title | Wetherill & Brother. Envelope |
| Genre | Envelopes |
| Form | printed ephemera |
| Call Number | ave_biggert_01452 |
| Date | 1887 |
| DOI | 10.7916/D8R79SDK |
| Companies | Wetherill & Brother |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Philadelphia, Pennsylvania, United Statesadd_location |