The entire remaining contents of Rico's modest arsenal (all two dozen gubs) was under negotiation with Doc's Guns in North Carolina, hopefully to head south and enrich them and add to local collections. Didn't happen, so they ended up being auctioned at the quaint local house of Brigg's Auctions in Booth's Corners, Pennsylvania.
Why gubs?
For those who've never seen Take the Money and Run, Woody Allen tries to rob a bank with a pistol carved, in the classic tradition, from a bar of soap and painted black with, again in the classic tradition, shoe polish. When confronted with a typo in the demand note, he gets into an argument with the teller whether it's 'gun' or 'gub'. Woody loses, of course, and gets arrested, but the phrase has passed into Rico's lexicon...