atomic weight 58.93, melting point 1495° C, density 8.92g/cc
Cobalt medal by Metallium, Inc. Photo used by permission.
Diameter 19 mm, 3.8 grams, 99.9% pure. $24 on 7/16/2009.
Fred Zinkann struck 4 cobalt fantasy pieces in 2006: this Islas Malvinas 5 australes coin.
Haseeb Naz has assembled quite a collection of fantasy pieces including a number of Fred's rarer issues. The photo is from his very interesting website.
