Reverb T-shirt by My Morning Jacket typically asks about $21 on Music Merch Marketplace (M³), based on live listings from eBay, Discogs, and official stores. That is 55% below the typical apparel on M³ at $46. Condition, size, and signatures can move a single copy's value.
Music Merch Marketplace (M³) doesn't have enough live listings over time yet to say whether Reverb T-shirt is going up or down in price.