Vintage Kent Collection by Arrow Shirt sz 15 MEDIUM Sanforized USA Union Made
Good condition. Has a couple minor imperfections which I have shown in the close up photos.
Use measurements below to get an exact fit.

Measurements:

Shoulders - 18"
Pit to pit - 23"
Sleeve from shoulder seam to cuff - 23.5"
Length down center back from collar seam to hem - 31"

Location A-4