Vtg Babys 1st First Christmas Jumpsuit One Piece Snap Approx Size 6 Months? PJ's

Vintage "Baby's First Christmas" Jumpsuit. Size "Large" This jumpsuit measures approximately 22" from shoulder to the tip of the toe. There is no other information on size other than "Large" on the tag. It measures approximately 10" across. Appears to be in the 6 month size range???.