Biography. Nirvana was an American rock band that was formed by singer and guitarist Kurt Cobain and bassist Krist Novoselic in Aberdeen, Washington, in 1987. Nirvana went through a succession of drummers, the longest-lasting being Dave Grohl, who joined the band ...
A broadstruck coin, or broadstrike, is a piece struck outside the confines of the collar. The metal of the planchet was able to spread outward, beyond what is now considered a coinâs normal diameter, and, because no collar was present during striking, the coin lacks any special edge device, like reeding.
The massive coin weighs some 2,231lb and is 99.99 per cent pure gold. It is 31 inches wide and is more than 4.7 inches thick. The weight and purity of each issue from the mint is guaranteed by the West Australian government.