2014/2015: US Government to Sell Over 44,000 Bitcoins Today. The tranche constitutes the remainder of as much as 144,000 BTC seized from Ulbricht, who ran the Silk Road dark marketplace under the pseudonym Dread Pirate Roberts.
https://www.coindesk.com/us-marshals-final-silk-road-bitcoin-auction/

2018: 144, 000 BTC = $1,678,464,000
(not factoring in the multiple forks coin values)

The government is almost too good at wasting money I swear...