Shirt by italian label Byblos (circa 1990s). Made from bright, quite striking blue cotton fabric resembling a ripstop material, it has a (just slightly large) point collar, single breast pocket, and buttoned placket and cuffs. The cut is relaxed, and slightly long.

No marked size (mens/unisex), should fit approx AU mens XL
Check measurements to confirm fit
All measurements taken flat

Shoulder width: 55.5 cm
Width (at underarms): 65 cm
Length (neck to hem): 83.5 cm
Sleeve length: 64 cm
Hem width: 67.5 cm

100% cotton
Made in italy
Circa 1990s