Various sizes and conditions with and without crank handles ...etc. These windows were out of a late 40s early 50s American Trailer. The model was called the 38. $175 FIRM. The green window is not included.
Look these up on ebay and see what one is going for: http://www.ebay.com/sch/i.html?LH_Complete=1&LH_Sold=1&_from=R40&_sacat=0&_nkw=travel%20trailer%20windows&rt=nc&LH_ItemCondition=4&_trksid=p2045573.m1684
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