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Series 1 Second 1 BTC Casascius Physical Bitcoin

Winning Bid

66

1.35 BTC

$133,410.83

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Bids

66

May 20, 2023 5:43:48 PM UTC

135,000,000 sats

1.35 BTC

ejw

(pending)

125,000,000 sats

1.25 BTC

ejw

(pending)

125,000,000 sats

1.25 BTC

Linear Trav

May 20, 2023 5:37:09 PM UTC

122,500,000 sats

1.225 BTC

ejw

(pending)

122,500,000 sats

1.225 BTC

66

May 20, 2023 5:32:45 PM UTC

120,000,000 sats

1.2 BTC

One uncirculated Second Series 1 1 BTC Casascius physical bitcoin (S2-COIN-1-2012) with public address 1Caa1qumVMTJWpxPDpytyDjY9gcJ4UeSsG

The Series 1 Second coins are the coins with the transparent window in the hologram through which the firstbits can be seen.

Find out more about Casascius Physical Bitcoins here: https://en.bitcoin.it/wiki/Casascius_physical_bitcoins

These coins were minted prior to any Bitcoin hard forks, therefore the private key stored within not only controls 1 BTC of value, but also 1 BCH (Bitcoin Cash), 1 BTG (Bitcoin Gold), 1 BSV (Bitcoin Satoshi Vision), 1 BTD (Bitcoin Diamond), and 1 of any other current or future hard forks of the Bitcoin blockchain or any of their derivatives. Not to mention, it's a really neat looking coin.

This coin's address has had an additional 0.00000001 BTC sent to it from some satoshi "dust spam" marketing attempts on three different dates:

Jun 22, 2015 at 14:27 a33fefbbfe6c400515988f20e9a244507e306217ea76b2fbcaf84b2cb3e4eeef

Apr 1, 2017 at 22:02 e258e018cdf8205f1955bc90e2ef5a7c9171dffde9dc4c0a909d00474e0341ec

Apr 1, 2017 at 22:15 145167b04b8327fdb897f315e3fb51b9f5c8a8e53b9ac70f023736e86ef97c6f

Details of the satoshi spamming marketing attempts can be found here:
https://www.macobserver.com/tmo/article/the-mysterious-case-of-1-satoshi-transactions-clogging-up-bitcoin-wallets

Casascius Coin tracking information:

Proof of Stored Value:
BTC: https://mempool.space/address/1Caa1qumVMTJWpxPDpytyDjY9gcJ4UeSsG
BCH: https://blockchain.info/bch/address/1Caa1qumVMTJWpxPDpytyDjY9gcJ4UeSsG
BTG: https://btgexplorer.com/address/GVRVRyEiUD4bbJFg9me1Pz5S4rQ96dKXzn

To verify any stored value on any other forked Bitcoin blockchain, simply search for the public address 1Caa1qumVMTJWpxPDpytyDjY9gcJ4UeSsG in that chain's block explorer.

Starting Reserve Price: 1.2 BTC (120,000,000 sats)

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