The full Twitter thread, unrolled: 

*Thread by [@cryptograffiti](https://Twitter.com/cryptograffiti) on Thread Reader App*
https://threadreaderapp.com/thread/1508822216573534209.html

> Proof of Keys is auctioning via [@scarcedotcity](https://Twitter.com/scarcedotcity) during [@TheBitcoinConf](https://Twitter.com/TheBitcoinConf)
>
> Join my newsletter to for updates on another upcoming release ⬇️
>
> https://mailchi.mp/cryptograffiti/cryptograffiti
>
>✌️

https://twitter.com/cryptograffiti/status/1508822249440112640

cointastical

247bf84fda

Proof of Keys is composed of 304 used bank deposit box keys and dozens of bank key fobs/rings

The keys were sourced from bank foreclosures and the fobs were found online and at swap meets...

bitcoin

> New art! 🔑🗝️🔐
>
> Proof of Keys is composed of 304 used bank deposit box keys and dozens of bank key fobs/rings
>
> The keys were sourced from bank foreclosures and the fobs were found online and at swap meets...
>
> ![Proof of Keys](https://i.imgur.com/IIGd4pT.jpeg)
> [[Larger image](https://i.imgur.com/IIGd4pT.jpeg)]

https://twitter.com/cryptograffiti/status/1508822216573534209