Happy Seppuku is having a stocking stuffer sale going on now over in their webshop.
From the announcement:
Happy Seppuku is holding a “last minute” Stocking Stuffing Sale. Now through the 15th of December costumers that enter the promo code GIFT during check out will get 15% off their whole order. Stamps make a great stocking stuffer, of course no one said it has to be someone else’s stocking.