If your jam band has been touring (with a couple of breaks) since 1983, you generate mountains of merch. But I particularly like this sticker from Phish‘s 2018 performance at the Coastal Credit Union Music Park at Walnut Creek (mouthful!) in Raleigh.
I just found this website randomly through a google image search and – as a lifelong NC resident and huge phish fan – I am absolutely loving it so far!