Vintage 1960’s little boys button up flannel top - size 5/6

This little boys top is from the 60’s, it belonged to a friend of our family so I know the timeframe. There are no tags at all on this, it doesn’t look like their missing just never put on. Does not look home made. Measurements look like a 5/6 but check for yourself. Measurements: chest: 14in flat, length: 16in sleeve: 13in. Items come from smoke free pet friendly home, I will do everything I can to remove any pet hair however if you have allergies please be aware. Message me for any questions. A lot of my items are items with a very long past so please remember that when purchasing however I do my absolute best to be descriptive.