Never  heard about MoneroGold until 20 minutes ago because I found this wallet https://ethplorer.io/address/0x8d12a197cb00d4747a1fe03395095ce2a5cc6819 with 329,307,350,711.00 XMRG.

XMRG wasn't suppose to have only 21 000 000 coins according to https://coinmarketcap.com/currencies/monero-gold/ ?