<prompt> Translate the following text to EnglishDhahabu huuzwa kwa uzito, ikiwa na malipo ya ziada kwa ajili ya kazi bei za dhahabu huchapishwa kila siku katika soko; fedha halisi ya sterling inapaswa kuwa na alama ya utambulisho.  <response>: Gold is sold by weight, with a surcharge for workmanship gold prices are posted daily in the bazaar; genuine sterling silver should carry a hallmark. 