Vintage 1970s Mets number 41 child''s T-shirt

This vintage shirt is from the 1970s… New York Mets number 41, (Tom Seaver)…50% cotton/50% polyester… tag says Size large (14-16)…Overall very good condition, some piling but no rips and tears… Brand of T-shirt is Allpro…Approx measurements laid flat: 17” armpit, 16” waist…21” shoulder to hem…not bad for 50 year old shirt!