Progress in Electronics Plate Block
Updated September 19, 2026
| Lot number | 135 |
| Estimate | 30.00 - 50.00 USD |
| Auction | Stamps, Covers & Signatures: Philatelic and Autograph Sale |
| Date | September 26, 2026 at 9:00 AM PDT |
| Auction house | Heroes and Legends |
| Location | Palm Desert, California |
Progress in Electronics Plate Block of 4 x 6c Stamps: Marconi Spark Coil, Marconi Spark Gap, Catalog #: Scott 1500, 1973
Register & bid on this lot at Bidspirit →
More lots in this auction
- D.W. Griffith signed 1975 Commemorative First Day
- Charles Drew FDC
- 1996 Marconi Entertainers set of 4 mint stamps
- Sidney Lanier American Poet Plate Block
- Gerald Ford First Day Cover
- 1995 Laurel and Hardy stamp sheet
- Judy Garland First Day Cover
- 1976 Conseil De L Europe France First Day Cover
See all lots in Stamps, Covers & Signatures: Philatelic and Autograph Sale →