As one of its daily deals, Hobo Ninja offers this Keep Calm and Carry a Wand T-Shirt
in Beige 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 such a shirt by $14, although it was $1 less in October. It's available in sizes S through XL. Deal ends March 6.
Note that size XXL is available for an extra 99 cents, and size 3XL for an additional $1.99.