These bitcoin were mined at the very early stages of the network for an estimated $100, as per CryptoQuant.
Bitcoin(BTC)$37,866.00
Ethereum(ETH)$2,030.36
Tether(USDT)$1.00
XRP(XRP)$0.61
Cardano(ADA)$0.379512
TRON(TRX)$0.103254
Litecoin(LTC)$69.82
Bitcoin Cash(BCH)$222.71
Stellar(XLM)$0.118521
Monero(XMR)$167.83
Ethereum Classic(ETC)$18.69
VeChain(VET)$0.021516
IOTA(IOTA)$0.256444
EOS(EOS)$0.68
Dash(DASH)$30.07
NEM(XEM)$0.035692
Qtum(QTUM)$3.02
Bitcoin Gold(BTG)$16.04
Lisk(LSK)$1.18
OMG Network(OMG)$0.70