Vintage Marathon Communion Wafer holder/pendant

Vintage Communion Wafer Holder/Pendant manufactured by the Marathon Co. (Marked on the inside!) It is in a brushed gold tone coloring metal top and a shiny gold tone metal bottom, which is rectangle in shape with a hinge & a O ring for putting a chain through at one end and the opening is on the other end. It has a tight & working button that you press on the end that opens the pendant/holder. Inside there is a metal piece in the shape of a half moon on each end.