| Title | B. E. Block & Bros. Inc.. Envelope |
| Genre | Envelopes |
| Form | printed ephemera |
| Call Number | ave_biggert_01383 |
| Date | 1912 |
| DOI | 10.7916/D8NS2620 |
| Companies | B. E. Block & Bros. Inc. |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Norristown, Pennsylvania, United Statesadd_location |