HEXA, one of Japan's largest NFT marketplaces, now has a feature for applying to sell ERC1155-format NFTs, which let you sell multiple NFTs based on the same data.
The ability to sell multiple identical ERC1155-format NFTs, previously used for things like municipalities' digital resident NFTs, is now available to anyone, who can easily sell them from the web. Using a first-come, first-served sale, you simply specify the quantity to sell and can easily issue multiple identical NFTs.
Until now, you could apply to sell multiple ERC721-format NFTs, each a distinct item, by numbering memberships as #1, #2, #3 and so on. With ERC1155-format NFTs, you can now sell multiple completely identical NFTs (because they are exactly the same NFT, they cannot be distinguished by numbering or similar means).
Apply to sell ERC1155-format NFTs here