> For the complete documentation index, see [llms.txt](https://whitepaper.estn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.estn.io/the-nfts/12.4-commemorative-coin.md).

# 12.4 - Commemorative Coin

As a special gift to early adopters, all users who register for a free vault box during the public presale will receive a special edition ESTN commemorative coin NFT.

* Dropped into your vault box automatically (you must register prior to launch)
* Use the coin to unlock special offers, giveaways, lotteries, and more from ESTN and other partner projects.
* Hodl or sell the coin NFT on any of the compatible NFT marketplace

[Register for free](https://get.estn.io) to claim your ESTN commemorative coin (included in your "vault box".

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