The first mass was found in 1810 in what was then Russia, now Belarus. Several other masses have been found since, some as late as 1968 and 1979. For a total known weight of 823 kilos.
Classified as a Pallasite.
AB1942, part slice, 141.5g $1500.00
AB1870, part slice, 36.5g, $500.00
OC345, whole, “nugget”, 8.5g, $125.00