Ma'anar Clad Coin
Dala mai tsabta shi ne tsabar kudin da take da nau'i na karfe a ciki; Mafi yawan tsabar kudi na Amurka na yau da kullum suna da ainihin zuciya na jan ƙarfe, tare da filayen nickel-jan karfe mai launin azurfa. Misalan wannan nau'i na tsabar kudi na Amurka, da Halflar Dollar . Kayan kuɗin "dala na zinariya", ciki har da Dollar Sacagawea da Dollar Shugaban kasa, an kuma kwashe su. Suna da tsabta mai mahimmanci tare da takaddun da aka yi daga zinc, manganese, da haɗin nickel.
Clad ya bambanta da tsabar bimetallic. Duk da yake tsabar kudi na da nau'i daban-daban da aka sanya a tsakanin nau'i biyu ko fiye, tsabar bimetallic amfani da ƙananan ƙarfe biyu ko fiye amma an sa su a cikin tsabar kudin. Alal misali, dala biyu na Kanada (1996-2011) yana da nauyin ƙananan nau'in ƙwayar 99% na nickel da na ciki na aluminum tagulla (92% Cu, 6% Al, 2% Ni).
Tarihin Gidan Gida a Amurka
A tarihin tarihin Amurka, akwai lokutan da muhimmancin darajar karfe ya fara wuce darajar kudin. Ɗaya daga cikin misalai mafi shahara shine gabatarwar ƙananan karamin karni a 1856. Saboda matsanancin kudaden jan ƙarfe, Manyan Amurka ya tilasta rage nauyin nauyin jan karfe daga 10.886 grams na tsabta mai tsabta zuwa 4.670 grams na allurar jan karfe . Idan ba su yi ba, mutane za su cire manyan ƙananan wurare daga wurare dabam dabam kuma su narke su don darasin su.
Wannan zai haifar da raunin kuɗi na ƙananan canji.
Ba kawai tsabar tsabar wutar lantarki da ta ji matsin lamba na dakarun kasuwa ba. A tsakiyar shekarun 1800, tsabar kudi na azurfa sun sami raguwa don ragewa mutane daga tsabar kudi don karbar nauyin azurfa. Kasuwancin kasuwannin sun kai ga cikar tsabar kudi na azurfa a Amurka a tsakiyar shekarun 1960.
Da farko a 1963 kuma na har abada har zuwa 1965, akwai raunin tsabar kudi a Amurka. A daidai wannan lokacin farashin azurfa bullion yana hawa yayin da samarwa yake sauka. Ma'aikatar Baitulmalin Amurka ta zargi 'yan kuɗi don tsaran kuɗi. A hakikanin gaskiya, yawancin mutanen yau da kullum sun gane cewa muhimmancin kuɗin azurfa ya wuce nauyin adadin kudin. Wannan ya haifar da mutanen da suka cire kuɗin daga wurare dabam dabam da kuma narke su don darajan azurfa na azurfa.
Ba kamar tsabar kudi ba daga cikin karni na 1800, tsabar kudi na yau da kullum sun wuce wasu na'urori masu ƙyama a cikin na'urorin sayar. Sabili da haka, Mintin Amurka dole ne ya zo da wani nau'ikan abun ƙarfe wanda zai kasance daidai da kaddarorin 90% na tsabar kudi amma zai zama mai rahusa. Idan ba tare da cika wannan maɓalli ba, masana'antun masana'antun na'ura sun kiyasta cewa musayar miliyoyin na'urorin sayar da kayan aiki zai dauki akalla shekaru biyar don rike da sabon nau'in kuɗi.
Ma'aikatar Baitulmalin, ta nemi shawara game da Cibiyar Battelle wanda ta bada shawarar tallafawa abun da aka yi da nau'i na karfe (wanda aka fi sani da sandwich metal) wanda ya ƙunshi murfin mai zurfi mai launin jan ƙarfe na nickel wanda aka haɗa shi da babban jan karfe.
Dokar tsafta ta ranar 23 ga watan Yulin 1965 ta sanya wannan canji a cikin wani nau'i mai nau'i na gaskiya don dimes, quarters da kuma rabin dala.
Tun lokacin da aka kirkiro zanen rabi don tunawa da John F. Kennedy, an rage yawan nau'in kayan azurfa ta hanyar yin amfani da nauyin nauyin azurfa 80% zuwa kashi 21% na azurfa da 79% na jan ƙarfe. Wannan ya haifar da wani nau'i mai nauyin azurfa 40% a cikin dala dala na azurfa tun daga 1965 zuwa 1970. Daga farkon 1970 kashi daya da rabi adadin ya yi amfani da wannan nau'i mai nauyin a matsayin dan lokaci da rabi.
Kashi na tsabar kudi don masu tarawa
Kayan kuɗi ne kawai ba kawai don amfani a wurare dabam dabam a cikin kasuwanci ba. Yawancin minti a duniya suna yin kwararru na musamman na tsabar kudi yau da kullum. Wannan ya hada da kafaffun shaida da kuma tsaftace tsabar kudi tare da kammalawa. Alal misali, Mintinar Amurka tana sanya takaddun shaida a kowace shekara na tsabar kudi tare da madogaran layi da na'urori masu sanyi.
Daga shekara ta 2005 har zuwa 2010 Ma'aikatar Mint ta Amurka ta sanya satin kammala tsabar kudin don hadawa a cikin Mint Sets na Uncirculated .
Misali Amfani
A kan mafi yawan tsabar kudi na Amurka, idan ka dubi gefen tsabar kudin, zaka iya ganin jan ƙarfin jan ƙarfe tsakanin ƙananan launi na karfe.
Edited by: James Bucki