I'll pile on and agree the price is a bit high for the present market, being a plain field gun.
A 20ga may peak some more interest just because it's a 20, no other reason,,it's the same gun frame size and all.
It's getting so the finely made all steel pumps from the early to mid 1900's are a drag on the market unless something really special.
I like 'em and especially the odd ones not often seen.
I know a couple dealers that routinely take 12ga guns (M12's Ithaca 37's, Stevens 520, ect) bought right (around $200 or less very often), cut the bbl to 20", reset the bead and they sell quick as riot guns in the $400 to $500 range,,,everyone wants a riot gun.
Makes 'em feel like their fav movie star I guess., They do seem to pull their wallet out of their pocket quicker when they one for some reason.