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1、古钱币的鉴定(Identificationofancientcoins)Theidentificationofancientcoins,・Txtintheworld,inadditiontome,whoisnotqualifiedtoaccompanyyou.Listen,r11letyoulikeme.Inadditiontosaidofacouple,wehavenootheroptions.Whattimedoyouwanttomarryme,Imarryyou.IdentificationofancientcoinsTheide
2、ntificationofancientcoinsisafinesubject,whichrequirestheaccumulationofourdailyknowledge,observationandthought,carefulcomparison・Combinedwiththeliteratureandhistoryofpreviousresearchresults,findoutsomeusefultheoreticalbasistofollow,andtosummarizethegeneralrulesintheidenti
3、ficationofancientcoins.Thispaperintroducesseveralmethodsofidentificationofancientcoins・1,lookatcopperMostoftheancientcoinsinChinaweremadeofcopperalloy,sothecompositionofthealloyisdifferent,andthecoinsalsocomeindifferentcolors・Thecoppercoinisdifferent,becausetheancientsme
4、ltingtechnologyindifferentregions,castingcoinsaredifferent,eachdynastyhasdifferentfeatures・Ingeneral,coinsmadefromcopperandzincalloysareyellow,andcoinsmadeofcopperandtinalloysarecyan.IntheQingDynastyandtheRepublicofChina,Xinjiang,Tibetandotherplacesmademoneywithcopperand
5、alittlezincandlead.Afterthecasting,themoneywasred.MostoftheHanDynastytotheTangandSongDynasties,thecoinswerecastinbronze,whichischaracterizedinreddishgreenishwhitecopperstrip.MingJiajingperiod,begantotransitiontotheapocalypse,brass,brasscasting,acustomcolor,coinsthaneverc
6、hanged・Forexample,theQinDynastycityisthemaincastcastalloyofcopperandtin,copperwasgreenred,textureisstiff;theSuiDynastyfivebahtmoneybecausetincomponent,copperwhite,knownaswhitemoney;fiveyearsofQianlong,castmoneyJiaxi・It'scalledbluemoney.Obviously,Chinahastofollowthelawofa
7、ncientcoinscasting・1,rustcolorTherearetwokindsofcoinsthatIseetoday:oneforexcavationandoneforgoodshandeddownfromancienttimes・Excavationsburiedinthegroundformanyyears,thesurfacewascoveredwithapatina・Handeddownduetooxidationinair,thesurfacehasalayerofpatina・Blackorcopper・Co
8、pperisarelativelystablemetal,whichisnotsusceptibletorustatroomtemperature・Afterseveraldecades,evenhundr
