Archie-There is a place right here in little Elmira NY, my hometown, that accepts obsolete A.C. chips for redemption. They pay face value plus shipping, but they only want REALLY old chips. Please email me for the adddress for these fine people .
They might be interested in some of those A.C. plaques you sent me scans of awhile back too if you fin dany, but they only pay 1/2 face value for those...