This is a 2XL Polo Ralph Lauren "Blake" OCBD button up shirt.  It is solid white with a button down collar and multi-color pony logo on the left chest.  The shirt is in fantastic overall condition for this vintage(y) style despite (1) insignificant dot on back left sleeve seam as pictured.

MEASUREMENTS:

PIT-to-PIT:  29.5"

LENGTH:  32"