Mass of a South African Krugerrand coin

Mass of a South African Krugerrand coin (33.9 g)

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Mass of a South African Krugerrand coin (33.9 g)

is 1/400 of Mass of a half-filled sandbag as used in flood control (13.6 kg)...more
is 1/40 of Mass of an average human brain (1.35 kg)...more
is 1/25 of Mass of a typical pair of men's dress shoes (860 g)...more

If this was a standard unit ...