Or at least on beer paper. Twisted Limb Paperworks makes stationary and cardstock from spent grain from Upland Beer in Bloomington, Indiana. The card colors match the beer is was made from – wheat, pilsner, amber, porter. 4 cards & 4 envelopes come together.
There is text on the back the back of card that lets receiver know the special ingredient and beer name. Sets run $20. Custom logo’d cards start around $200.