Vintage handmade baby sweater, white and blue, 9 - 12 months?

Vintage handmade baby sweater, white and blue, 9-12 months? Beautifully knitted sweater, in very good condition, note has 2 small stains, see photos, not for a fussy buyer Pit to pit is 12 inches Length is 13 inches Excellent condition!! Looks like brand new! Has been kept in a cedar chest since 1970 I do not have kids, so hard for me to estimate the size