Pronto-Uomo Long Sleeve Button Down Shirt

This Pronto-Uomo button down shirt is thin and light. Size M/50 **There isn’t a care/material tag in the shirt** There are no stains or holes but it is missing a button in one of the sleeves Please use the last photo as the most accurate in terms of color. Comes from a smoke free home Laying flat armpit to armpit measures approximately 23” Center back length is approximately 31 1/2” from the collar seam to the bottom