Here is a 1920's-era envelope from the Beaver Dam Overall Mfg. Co. in Beaver Dam, Wisconsin and pictures a 1920's-era race car.  The company began in 1906 and closed in 1925.  The envelope is about 3 3/8" x 6" and is empty.

Shipping is USPS Ground Advantage.  PAYMENT IS NEEDED WITHIN 24 HRS. OF END OF AUCTION for efficient shipping.  If I can ship for less, if distance is shorter, I will do a prompt refund of excess shipping of an amount over $1.00.  Other purchases can be combined for reduced shipping cost.   

While I do not ship outside of the U.S, eBay does handle International Shipping.  I don't end auctions early or change it to a Buy-It-Now.  Thank you for bidding.    

SELLER INFORMATION:  Smoke-free, but not dog free home.  PLEASE NOTE:  I ship either same or next day after receiving payment.  After shipping, I will promptly use eBay's system to add the tracking number.