1950s Wilson Flannel Cotton Baseball Jersey. Mechanic's Bank #12. Good vintage wear from age. 

size: small based on desired fit

all measurements taken flat:

pit to pit: 20”

length: 24” 

shoulder: 17”

color: white/red trim

material: cotton

model: Madison wears a size medium

All items are preloved or vintage so might show signs of minor wear. Anything major will be noted & photographed. All sales final.