# Unlock your physical twin
As a holder of Speedy Graphito's NFTs, you have the opportunity to unlock a physical artwork of your NFTs of different values. Here are the three different artworks you can claim:
1. Original 1/1 digigraphy of the artist, realized for the collection of NFT Mona Lisa. It's an edition of 190 unique copies signed by the artist, with a value of **$170**.
2. Original 1/1 digigraphy of the artist, realized for each NFTs of the Mona Lisa collection. It's a limited edition of 25 copies, numbered and signed by the artist himself, with a value of **$1 100**.
3. Original 1/1 digigraphy of the artist, realized for each NFTs of the Mona Lisa collection. It's a limited edition of 7 copies, numbered and signed by the artist himself, with a value of **$2 400**.
To obtain these artworks, you need to earn ArtSense credits by staking your NFT.
The artwork 1 requires 1 000 credits, the second 9 000 and the third 18 000. One day of staking equals 10 credits.
The more NFTs you own and stake, the more credits you earn, increasing your chances of unlocking these physical artworks. The artworks will be delivered based on a first-come, first-served rule, so don't wait too long to start staking!
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