Found this one googling mullers https://www.govdeals.com/index.cfm?fa=Main.Item&itemid=17640&acctid=7896 Ends in 2 days and current bid is $150
That was sold very cheap. I know 100% what it was. It was a B&P 30a made into a shell coating system. The age shockingly was 1959. NO not an antique.