It's an adult size with 28 rims. It's is in amazing shape. I found out it has a C serial number. Schwinn burnt in 1940 and all documents for this model were lost in the fire.
It's a very collectable bike. The item "Schwinn vintage tank bicycle" is in sale since Saturday, June 19, 2021. This item is in the category "Collectibles\Transportation\Bicycles\Other Bicycle Collectibles". The seller is "timzie_34" and is located in Arcata, California. This item can be shipped to United States.