I found this while browsing some local auctions. The auction begins on 2-19-21 and is near Indianapolis. You can bid in person or online (read auction details). They also have several other useful tools available for bids.
https://indiana.hibid.com/lot/78677536/50--little-giant-trip-hammer-w-motor
I wish we could see the serial number on that. It's an old one.
Karl B. Andersen
Journeyman Smith