Vintage 1970 coleman catalytic heater 3000-5000 btu green 513-700 w/ original box. Estate find coleman catalytic heater 513-700. Excellent condition – hardly any usage wear. Bottom date code 1 – 70. Some age related storage wear is present. Discoloring / fading / staining / scratching. Box wear with edge and corner creasing and staining. All box flaps are intact. This heater is pretty close to unused and there is no residual fluid smells. As always, i’m no expert, so please ask any questions you may have. I will also entertain offers or trades for the following. Vintage train stuff, vintage musical instruments, slot cars, old toys of any kind, . Military items, wwi / wwii, wind up clocks, tube radios, paintings, . Fountain pens, stone ware or fishing gear, almost anything old or weird.