LThis adorable sweater is from the 60's by Lee Collins. Made of a lightweight wool. Classic cardigan style. On the upper right front and lower left back is a cute felt Seahorse applique. The eyes are green glass beads. It is missing the bottom button. You could take the top button and move it down. Best fit would be a Small, however, please see the measurements below for a proper fit.

Measurements unstretched
Armpit-armpit doubled 34"
Waist 26"
Length 24"
Sleeve 24"

This item is sold from an excellent, highly rated vintage boutique in Westfield, Massachusetts.