NFT visibility across wallets and market place sometimes can be a default feature or the app may need some manual adjustment to make sure your assets are visible across user interfaces.

For example
Once you’ve received the NFT in your Metamask wallet, navigate to and connect your Metamask with the website.

Clicking on your Opensea profile would allow you to Unhide your NFTs like cmorq NFTs & Crypto Bird Cafe.

Thereafter you can choose to do any Opensea actions you want including selling.

Theoretically, similar steps can be done across different marketplaces to make assets scannable.

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