Harley-Davidson Shorty Gas Tank

Up for auction tonight is a gas tank for a Harley Davidson Shorty. I do not know the capisity maybe someone can help. I;m out of my league here. I bought a Harley collection and this oneand anotherI'm putting up for auction. This is used but I see no apparent damage. There is no gas cap.The length is appro. 18 inches.

If you have any questions please ask, 'll do my best to get you an answet. Flat rate shipping $25 to lower 48 states. I accept Paypal. Thanks for looking and good luck.