HoboNinja offers this Live Long and Proper T-Shirt in Light Blue for $9.99. Coupon code "IWILLSHAREHOBONINJA" drops it to $5.99. With $1.99 for shipping, that's $1 under our December mention and the lowest total price we could find by $22. It's available in sizes S, M, L, and XL.
Note that size XXL is also available for 99 cents more and 3XL for $1.99 more.
Brand: House Brand