Nearly 40Kg.
If you are talking about the person who found the Holtermann Specimen, his name is Bernardt Otto Holtermann.
Bernhardt Holtermann was one of the partners in The Star of Hope Gold Mining Company which discovered this vein of gold embedded in rock, the largest specimen of gold ever found, Although he was not the sole discoverer, he was the one who publicized it and his name stuck.
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Yes, the Holtermann specimen, a notable gold nugget weighing approximately 215 kilograms (nearly 476 pounds), was discovered in 1872 in the Hill End area of New South Wales, Australia, specifically at a site known as the "Southern Hill." This find is significant in the history of gold mining in Australia and exemplifies the richness of the region during the gold rush era.
Bernhardt Holtermann was born in 1835.
Ove Bjelke Holtermann was born in 1852.
Ove Bjelke Holtermann died in 1936.
Peter Høier Holtermann was born in 1820.
Peter Høier Holtermann died in 1865.
Didi Holtermann died on December 17, 1975, in Norway.
Didi Holtermann was born on November 28, 1895, in Oslo , Norway.
Christian Holtermann Knudsen died on 1929-04-21.