Counterfeit 2011 W 1 oz Gold Buffalo in a fake NGC slabThis coin is made from 0.917 purity gold and contains 0.3438 oz of pure gold if melted. You will receive the exact coin pictured. 1841 (c) british india mohur type a/1 plain 4 gold coin ngc au 55 km# 461.2 this coin was graded an au 55 by ngc and it is sealed within the protective ngc plastic slab.