A Collector Crypt NFT is a claim ticket on a graded card in a vault. The same slab has two prices: a token ask on Magic Eden set by crypto buyers, and a retail price set by eBay sold comps. fairvalue joins the two catalogs for every graded card PriceCharting covers (PSA, CGC, BGS, SGC, TAG; any language) and ranks the price gap.
Buy Retail buys the slab, vaults it and sells the token.
Buy On-Chain buys the token, redeems the slab and sells it retail.
Live Feed streams on-chain sales and new listings from Magic Eden as they happen, next to the eBay sales behind each comp.
No auto-execution. It prints a list and you click through.