Here's a very colorful, eye-catching long-sleeved shirt from Boggi Shirtmakers ("Since 1939 - The Best Fabrics in the World") in violet check. Size is listed as a gentleman's 15, and I get a sleeve length of 32 inches, but please be sure to double-check all measurements below to ensure proper fit.
Features:
White with violet check pattern
Placket front
7-button front
Left pen pocket
Single piece back yoke
Box pleat back with hook
Single-button barrel cuffs with gauntlet button and unique purple ribbon trim