These are American made hollows and rounds. Plane A is by Winstead Plane Co. and is a number 15. Plane B is a number 12 by Auburn Tool Co. and C is a number 6 by D.R. Barton. Plane D is a number 6, Sandusky Tool Co., E is a number 4, Auburn Tool Co. and finally, F is a number 2, D.R. Barton.
