WOW! Here is a vintage (circa 1990) size MEDIUM Boston Celtics T-Shirt that is in MINT condition! It still has a NBA sticker on it, and it doesn't look like it has been worn!
Here is a probably never worn—NBA sticker still attached to the T-Shirt--- light grey and thin, T-Shirt that has a graphic on the front that says: CELTICS XXL BOSTON with a vintage logo in the center of the design. Nothing on the back. Under the “B” in Boston there is small writing and the date 1990. Nothing on the back. The T-Shirt measures 21 inches across the chest measured under the arms and from the back of the neckband to the bottom hem is 29 inches making it a comfortable size Medium in today's world. The T-Shirt has no holes or stains and is 100% cotton and Made in the USA.