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Our company Buka Jewelry, s.r.o. is registered with the Assay Office in Czechia for the following types of activities: electronic commerce (E), business activity - jewellery (J).
Assay Office: Kozí 4, 110 00 Prague 1, Czechia, www.puncovniurad.czResponsibility brand: Buka JewelryWe have been assigned the following liability mark under which we are registered with the Assay Office.
We use our mark and hallmark to mark jewellery that is subject to hallmarking control §27 of Act No. 539/1992 Coll. (silver from 3.50 grams; gold from 0.53 grams). We do not use our mark or hallmark for jewellery with a sub-limited net weight of precious metal, but only the purity number.
925 - AG (argentum) 925/1000 silver
585 - AU (aurum) 585/1000 14 carat gold 585 parts gold / 415 parts other metals
750 - AU (aurum) 750/1000 18 carat gold - 750 parts gold / 250 parts other metals.
999 - AU (aurum) 999/1000 24 carat pure gold with no other metals mixed in.