I roto i te pūnaha moni e mohiotia ana ko te paerewa koura, i hoatu he taimaha o te koura te ingoa o te wae o te moni. Mo te wa roa, whakaritea e te kāwanatanga o te United States te uara o te tāra US kia kotahi troy ounce i rite ki $ 20.67 ($ 0.665 ia karamu), engari i roto i te 1934 i whakahekehia te tāra ki te $ 35.00 ia troy ounce ($ 0.889 / g). Na 1961, i riro te reira uaua ki te pupuri i tenei utu, me te puna o US me Pākehā pareparenga whakaae ki te whakahaere i te mākete ki te ārai atu whakahekenga ki te tono koura nui. i runga i Maehe 17, 1968, i meinga te hinga o te moni pepa, a ka whakapumautia te reira i te moni e rua-tiered puranga e whakamahia tonu i te ingoa o te wae o te moni. i roto i te US Central Bank i mahue i te tauākī e pā ana ki te $ 3.00 / ounce o te koura, engari i mahue i roto i te US Central Bank i te tauākī o te koura i roto i
pūhui koura