Available here is sewing pattern 3431 from Butterick.

It contains patterns and instructions to make semi-fitted mens tops.

It is for size small to fit 34 to 36 inch chest.

This is a used pattern, it has been cut and checked that all pieces are included.

This 1980 pattern comes complete with 11 pattern pieces, instructions and original pattern envelope.

It is in excellent condition with some minor discoloration, creasing and wear to the pattern envelope.