This coin is the largest and heaviest physical crypto-coin produced to date, weighing in at 5 oz of pure silver with a proof-like finish. It’s public key is engraved above the hologram (engraving process and a close-up are pictured on the right), which serves as the deposit address of five Seats as explained in the …
Manufacturer: Nasty Mining
2014 Nasty Mining 5 BTC Hybrid Casascius 2012 5 BTC
This coin is made from an empty Casascius 5 BTC coin, with a ‘Nasty Mining’ hologram added to the back. The public key is printed onto the hologram, and the coin is shipped unfunded. 20 were made and sold for 0.25 BTC each via the Bitcointalk.org forum. The slab it comes with has a QR …
2014 Nasty Mining BTC 1g .999 Silver Collector Round
The first coin produced by Nasty Mining, the coin immortalizes the ‘1NastyF’ vanitygen address used by NastyFans as it’s donation address. It also features a central image of a Bitcoin miner hardware piece. These coins were directly inspired by the ‘MJB Monetary Metals’ 1 gram silver rounds which were released a few months earlier. The …
2014 Nasty Mining 1 ‘Seat’ 1oz .999 Silver Minted Seat
This coin is the first of its kind in many ways. Though it does not specify a bitcoin balance, it will likely receive allotments of BTC well into the future. As explained in the mint biography, this coin functions not unlike an ownership share to a company into which small dividends are paid and a …