1970s St Thomas US Virgin Islands Henley T-Shirt, Double Bull Size Medium

Description - St Thomas US Virgin Islands souvenir tee from the 70s. It's a paper thin single stitch henley shirt 

Details

Brand - Double bull

Content - 45% Cotton 55% ??

Size - Labeled Size 40, approximately a modern Medium but please check all measurements to ensure fit 

Chest - 21.75" pit to pit 

Length - 23"

Condition - I found 2 pin size holes in the back