Kev paub ntsuas cov nyiaj npib yog qhov kev siv uas tsis tshua muaj txiaj ntsig rau kev sau cov npib. Cov mob ntawm lub npib tuaj yeem raug soj ntsuam coj mus rau hauv ob qho tseem ceeb tshaj plaws - qhov zoo ntawm cov minting thiab khaws cia. Qeb rau qib ntawm qhov kev ntsuas nyiaj npib yog qhov kev sib txawv. Hauv qab no peb sau thiab piav qhia cov gradations.
Cov Lus Qhia
Kauj ruam 1
Siab tshaj tus nqi sib tw. Cov nyiaj npib ntawm cov pawg no tau tsim tshwj xeeb rau cov neeg sau khoom siv cov ntawv nyiaj polished thiab lub taub hau polished tshwj xeeb. Daim teb ntawm lub npib yog tsom iav-ci, nws tsis muaj qhov tsis xws pom nyob hauv qab ob chav tsom iav. Qhov tiv thaiv feem ntawm daim duab yog matte: ornament, cov kab ntug, inscriptions, lej thiab ib qho duab. Hauv phau ntawv teev cov lus Askiv, qhov kev zoo no yog txhais los ntawm lo lus "Ntawv Pov Thawj" lossis PRF (ntawv luv), hauv German - PP.
Kauj ruam 2
Zoo heev cov mob. Cov nyiaj npib tau minted nrog cov nyiaj muas tshiab. Thaj teb ci, polished, thiab thiaj li yog duab. Tsis muaj qhov tsis xws luag loj yog pom nyob hauv qab lub tshuab raj txuas ob. Cov khoom zoo zoo suav nrog tshwj xeeb cim thiab ua nco ua npib nrog daim duab polished tsis muaj kev paub meej. Tau sau ua lus Askiv cov phau ntawv ua "Uncirculated" (UNC). Hauv German - STLG.
Kauj ruam 3
Zoo heev rau cov mob. Lub npib tsis nyob hauv ncig. Hauv daim teb ntawm daim duab nyob hauv lub khob tsom iav, ib tus tuaj yeem pom qee qhov tsis xws minting xws li cov ntsiab lus tsis meej ntawm daim duab, cov lej thiab cov tsiaj ntawv, nrog rau cov kab ntawm lub npib nyob hauv lub hnab (specks, khawb me me, thiab lwm yam). Kev Tsim: "Ua kom zoo heev" (EF) hauv cov phau ntawv teev lus Askiv, thiab hauv German - VZGL.
Kauj ruam 4
Zoo mob. Lub npib tau nyob hauv ncig. Muaj cov cim qhia kev hnav, tab sis 75% ntawm cov qauv raug tshwj tseg. Muaj cov tsis zoo me me ntawm lub npoo thiab cov npoo uas pom los ntawm qhov muag liab qab, tab sis tsis txhob lwj qhov seem ntawm qhov nyiaj npib. Nws yog tsim "Zoo heev" (VF) hauv cov lus Askiv ua phau ntawv teev lus. Hauv German cov ntawv teev npe, cov khoom zoo yog qhia los ntawm cov tsiaj ntawv SS.
Kauj ruam 5
Qhov nruab nrab mob. Muaj qee qhov cim tseg ntawm kev nyob ntev ntawm lub nyiaj npib hauv kev ncig. Txawm li cas los xij, ib npib nyiaj ntawm qhov zoo no khaws cia txog li 50% ntawm tus tsim, muaj qhov cim tseg ntawm kev xeb, kev ua kom huv, thiab ntxiv abrasions ntawm qhov chaw tiv thaiv. Tus mob no yog qhia los ntawm ib lo lus "Zoo" (F) hauv phau ntawv teev cov lus Askiv thiab tsab ntawv "S" hauv German.
Kauj Ruam 6
Mob hlwb. Lub npib tau puas ntsoog rau hauv cov txheej txheem ntawm cov voj voos, daim duab kos tsuas yog 25% lossis tsawg dua. Muaj cov kev ua txhaum loj, nthuav dav, muaj qhov qhia ncaj. Qhov muaj cov nicks thiab cov plhaub taum tob rau ntawm cov npoo ntug yog ua tau. Qhov nyiaj npib ntawm cov khoom nruab nrab tsis zoo yuav yog qhov tshiab, tab sis minted nrog cov teebmeem thev naus laus zis. Qhov no tuaj yeem hloov tau cov ntawv hloov ntawm cov cim, cov kab ntawm lawv qhov kev cuam tshuam, sab nraud lub nplhaib sab nrauv Yog li ntawv, kab kos rau ntawm ntug lossis thais cov ntawv yuav yog qee lossis tag nrho qhaj ntawv. Nws raug nquahu kom khaws cov nyiaj npib tsuas yog tias lawv tsis tshua muaj qhov hnyav thiab cov qauv qub thaum ub.