1 - View your Card on the Cometh Marketplace
2 - Click Sell
3 - Approve the entire collection (or just this NFT) for selling
4 - Click confirm approval
5 - Set a selling price in MATIC
6 - Confirm & approve transaction. Now it is listed for sale.
7 - Wait a little until someone buys it
Congratulations Crew Member, you successfully sold your Card