Alco cast iron builders plate from Pennsylvania Railroad RS-1 switcher #5620. Plate shows a build
Updated August 6, 2026
| Lot number | 7520A |
| Estimate | $50 - $80 |
| Opening bid | $20 |
| Auction | Premier Railroadiana Sale - August 2026 |
| Date | August 14, 2026 at 10:00 AM EDT |
| Auction house | Rail & Road Auctions |
| Location | Lafayette, Indiana |
Alco cast iron builders plate from Pennsylvania Railroad RS-1 switcher #5620. Plate shows a build date of July 1950 and a serial number of 78107. This became locomotive #9920 when it joined the Penn
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