For a limited time, all caps, pins, and tins are on sale for $20 with free international shipping at the Leica Rumors Store (lowest price so far):
Update: the sale is now over.
To take advantage of this sale, order directly from the LR store (limited quantities, while supply lasts). Everything in the Leica Rumors Store, including the TTartisan, 7artisans lenses, and the camera grips comes with free international shipping.
Additional pictures: