Winter Magic Auction - Online Only
Sat, Jan 24, 2026 12:00PM EST
![[IBM] Two International Brotherhood of Magicians Convention...](https://s1.img.bidsquare.com/item/xl/3504/35047010.jpeg?t=1VNE7W)
Lot 301
[IBM] Two International Brotherhood of Magicians Convention...
Estimate: $150 - $250
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $5 |
| $30 | $10 |
| $100 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $200 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $20,000 | $2,000 |
| $50,000 | $5,000 |
| $100,000 | $10,000 |
[IBM] Two International Brotherhood of Magicians Convention Window Cards. Pair of silk-screened posters advertising the I.B.M. convention shows at the Southern Theater of Columbus, Ohio held in June of 1931. On stiff cardstock, 22 x 14?.
