Vintage RCA Telegraph Practice Key Set
Updated September 23, 2026
This auction ended on September 26, 2026.
See upcoming auctions from Donley Auctions.
| Lot number | 1297 |
| Estimate | $80 - $1,000 |
| Opening bid | $40 |
| Auction | Inventions and Technology Auction |
| Date | September 26, 2026 at 9:00 AM CDT |
| Auction house | Donley Auctions |
| Location | Union, Illinois |
This vintage mid-20th century Morse code practice key set was distributed by R.C.A. Institutes Inc. of New York, ...
