BSA large metal gas tank.
It has several dents on each side.
There is light surface rust.
The inside will need to be cleaned.
Includes a gas cap.
It is the small badge tank.
Overall length 21".
12" wide.
10" high.
2" tunnel.
4 1/2" between front mounting bolts.
Please take a good look at the pictures.
Feel free to ask questions.