A Hollis and Sons hammer combo in 12 Ga X 577-450 at auction this weekend.

They have a four-day sale with some of everything up to and including heavy MGs.

I have no connection to this gun or auctioneer, and merely offer it because I'm too stupid to have learned better.

The Hollis brought $500.

This set sells in late November, I'd expect something in the mid 5 figures.