Homie Gear via eBay offers the Swiss Wear Men's No-Wrinkle Cotton Dress Shirt in nine colors (Black/Blue/Grey pictured) for $9.99 with free shipping. That's $25 off and the lowest total price we could find. It's available in short- and long-sleeve sizes M to 4XL, although not in all color/size combinations.
APlaceintheSun via eBay offers the Nike Men's Golf Cotton Polo Shirt in six colors (Black pictured) for $29.99 with free shipping. That's the lowest total price we could find by $3. They're available in sizes XS to 4XL, although not in all size/color combinations.