Alexander Herrmann Signed Postal Card
Updated September 21, 2026
| Lot number | 48 |
| Auction | #54 Featuring Houdini & The Robert Olson Collection |
| Date | October 3, 2026 at 4:00 PM EDT |
| Auction house | Haversat & Ewing LLC |
| Location | Yardley, Pennsylvania |
U.S. Postal Card (unused) Boldly signed Prof. Herrmann in black fountain pen. Comes with a certificate of authenticity from Todd Mueller autographs. From the collection of Robert Olson. $125+
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