Palindrome from block 9 (450x): 45015251054

Palindromes 450x:

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Total Supply:  1,000

Mined:      1,000 (100.0%)

Active in Epoch: 856 (85.6%)

Active Past 365d: 267 (26.7%)

Sequestered:   13 (1.3%)

Inscribed:    1 (0.1%)

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Satoshis from Block 9 hold a unique place in Bitcoin's history, having been mined directly by Satoshi Nakamoto himself, and being the oldest sats that is possible to be attained by sat collectors. This block is also renowned for containing the satoshis used in the very first Bitcoin transaction, in which Satoshi sent 10 bitcoins to Hal Finney.  From the 50 BTCs mined in block 9, only these 10 BTC are possible to be attained by sat collectors.  Among these 10 BTC, the first bitcoin of them contains what is referred to as "450x sats." This term derives from their low satoshi numbers, which notably begin with 450, making them the earliest satoshis that can be attained by sat collectors. 

All 450x sats are part of the first bitcoin from block 9, and so they are part of the oldest bitcoin in circulation. Note that 1 bitcoin equals to 100,000,000 satoshis, so the total supply of block 9 450x is 100,000,000. Among these 100,000,000 satoshis, only 1000 of them are palindromes.

Some satoshis have palindromic id. Other satoshis are part of the first Bitcoin to ever reach circulation ( block 450x ).

These categories are quite rare by themselves considering the total satoshi supply of 21 quadrillion. Once in a while, there are some satoshis that have both these properties, and those are really, really scarce.

Sat info: https://magisat.io/utxo/9c67fff5ef96c66ed07b86bfb256296205d78beb58b64d750ddff6495674ff50:0