Hobo Ninja offers the "Club Sandwiches Not Seals" T-Shirt in Blue for $9.99. Coupon code "IWILLSHAREHOBONINJA" cuts it to $5.99. With $2.99 for shipping, that's the lowest total price we could find for this T-shirt by $12, although we saw it for a buck less last July. It's available in sizes S to XL.
Note that size XXL is also available for 99 cents more, and 3XL for $1.99 more.
Club Sandwich eBook, a similar product, is available at these stores
Brand: House Brand