C. Allen Men's Solid Square Pattern Regular Fit French Cuffs Dress Shirts with Tie Hanky Cufflinks Combo (as1, Neck_Sleeve, 15_Point_5, 34, 35, Plum) at Amazon Men's Clothing store
Men's Pd&C Shirts (Button Ups) | Grailed
Paper Denim & Cloth Cotton Blend Button-Front Shirts for Men | Mercari
PD&C Gray Casual Long Sleeve Button up Shirt Mens Size L - Etsy
PD&C Men's Shirt 1X Button Down Air Blue Classic Fit Casual New w Tag MSRP $60 | eBay