Here's a vintage Navy chambray work shirt with the previous owner's name stencilled on the front. Made of a polyester/cotton blend, it's a classic long sleeve, button front shirt with patch pocket and pointed collar. There's a black insignia stencilled on the sleeve- my ex-Navy husband says that it shows a Seaman, 2nd class rank. 
 
Pre-owned, used; in good condition with no flaws.
 
The shirt has no label or size markings. I'm calling is a modern size medium based on the chest size- PLEASE read the actual shirt measurements given next--
Pit to pit- 21 1/4" measured across the front between the underarm seams.
Center front lenfth- 22 3/4"
Sleeve length- 23"
Back width- 15" measured across the bottom of the back yoke.