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gren

Avoid confusing this unit with the gran, which is 3 times bigger!

A unit of fineness of precious metals, used in German-speaking Europe and Scandinavia.

For gold, = 1/12 karat = 1/288th of the gold mark, about 0.35% gold.

For silver, = 1/18 lodd = 1/288th of the silver mark, about 0.35% silver.