The Counterfeit Coin Detection Kit

Chero ani zvake anokwanisa kuona mari dzisina kururama dzeUnited States achishandisa zvishandiso zvishanu zviduku, zvisingadhuri. Muchikamu chino, ndinotsanangura kuti zvishandiso izvi ndezvipi uye kuti ungashandise sei kuzvidzivirira pane mari yakaipa uye zvinyorwa.

Kunyange zvazvo zvishandiso izvi uye nzira dzakarondedzerwa pasi apa zvinogona kunyatsoona mari dzenhema, asi iwe unofanirawo kuziva kuti haasi mari dzose dzisina maturo dzinogona kuonekwa nenzira idzi. Mune mamwe mazwi, dzimwe mari dzenhema dzakanaka kwazvo dzinogona kudzivisa kuonekwa nemaitiro akanyorwa apa. Kana uri kutenga mari isingawaniki inosanganisira mari yakawanda, mari yako yakanakisisa ndeyokuti utenge mari nemudzidzi anozivikanwa kubva kune rimwe boka rekubata basa . Izvi zvinorema unogona kuvimbiswa kuti mari yaunotenga ndeyechokwadi uye yakanyatsotengwa.

• 01 ye 05

  A Simple Magnet

  Iwe unogona kushandisa maginiti ari nyore kuti utonge kunze kwemari yakawanda yeChinese yakaitwa masirivha nokuti inenge 70 muzana yemari yakaipa inobva kuChina inobudiswa ne iron-based planchets (mabheji esimbi). Sezvo kune imwe chete yakambove yakashambadzira imwechete yeAmerica iyo inofanirwa kutorwa kune magnet (iyo 1943 penny steel ), chero mari ipi zvayo yeUnited States inonamatira pamaginiti inonyengedza.

  Nzira yekushandisa nayo: Iwe unoda magnetti akasimba kuti uone zviduku zvesimbi. Tora maginiti pedyo nemari uye uone kana vachikwezva, kunyange zvishoma. Kana iyo maginiti inonamatira kune imwe mari yeUnited States, mari yacho inenge iine chokwadi kuti inonyengedza. (Cherechedza kuti Canada yakashandisa simbi mumari yavo yemakumi emakore, saka iyi muedzo haina zvazvinoreva kumari zhinji dzeCanada.)

• 02 of 05

  A Gram Scale Yakarurama kune imwe yakashata Tenth Gram

  Vazhinji veChinese Counterfeiters vanoshandisa zvigadzirwa zvematare kuitira kuti mari yavo isanganiswe. Somugumisiro, mari iyo inowanzosisa pasi. Mari iyo inogonawo kunge isiri pasi pezvimwe zvikonzero, zvakadai se shrinkage kubva kushandiswa yakashanda kana kufa. IAmerican Mint inonamatira kune zvishoma zvakanyanya kuvhiringidzika kwekukanganisa kwehupamhi nehupamhi, naizvozvo chero mari yeUnited States iyo inodarika ne1% inokanganisika zvikuru.

  Nzira yekushandisa nayo: Ita kuti chiyero chako chinogona kuyera kusvika chegumi che gramu (0.10) kana zviri nani. Usashandisa kudya zviyero zvinorema magiramu ose nokuti hazvina kukwana zvakakwana. Isa mari yacho pachiyero uye woenzanisa uremu hunozivikanwa zvakakosha kuyerwa (ona pasi apa) yeainari iyo. Kana ichinge inenge inopfuura 1%, mari yacho inofungidzirwa inonyengedza. Uyezve, mari yakazara yakawanda inogona kunge ichiri yechokwadi asi iine uwandu hwakanyanya hwehutu hunokonzerwa nehuwandu hwechigadzirwa chesimbi chakasakara pamari.

• 03 of 05

  A Caliper Yakarurama kusvika Mazana eInch

  A caliper isiri iyo inoshandiswa pakuyera kupenya kwemari. IAmerican Mint yakanga yakanyatsonaka pakuita mari yemakumbo akaenzana, naizvozvo chero mari ipi zviduku zvikuru, kunyange nechinguva chiduku, inonyunyuta zvikuru. Mari dzomupfumi dzinowanzopererwa pasi uye pasi.

  Nzira yekushandisa nayo: Shandura mitsetse yecaliper kusvika panzvimbo yakavharwa uye uiite kuti ive zero (kazhinji nekudhinda "set" kana kuti "zero".) Ipapo zvishoma nezvishoma shandura marara acho kuvhura kusvikira vari kubata pamiganhu yemari kubva kune imwe neimwe zvimwe. Iva nechokwadi chokuti mari yacho inobhururuka pakati pemasana (asi kwete zvakare akasimba) uye verenga mhinduro. Enzanisa chiyero chako kune inozivikanwa yeUnited States Mint yemari iyoyo. Kana mari yacho yakanyanya kuduku, inofungidzirwa yakaipa.

• 04 of 05

  A Magnifier High-Powered or Loupe

  Chikudziro chine simba risina simba re 8x (8 kukwidziridzwa, kana "8 simba") richakubvumira kuti uone zvakadzama pamusoro penhare yemari isingaonekwi neziso rakasviba. Zvakakodzera, iwe unofanira kushandisa 10x kana kupfuura imwe triple rope, iyo inonyatsonzwisisika (asi inodhurawo.)

  Nzira yekushandisa sei: Bata mari yacho mune rumwe rutivi, uye mukurumbira mune imwe. Shandisa mari yakaipoteredza kuti iongorore nzvimbo yayo, ichitsvaga zviratidzo zvebhuruu kana kuti mapfupa pamusoro pepamusoro, kana kuisa mapepa kana mafaira pamucheto. Uyezve tsvaga maitiro anowanzoenderana nemhando iyo yemari kana achienzanisa nemuenzaniso unonyatsozivikanwa. "Soapy" nzvimbo inotarisa kana inoputika inogona kuva chiratidzo chenyengeri. Chengetedza zvakanyanya pamusoro pezvigadziro pamari yekuti mari idzi idzi dzinowanzosvibiswa panguva yekugadzira zvinyorwa.

• 05 of 05

  A Kutaridzirwa kweZvirevo zveMarudzi eUnited States

  Kuti uone kana uremu hwako uye zviyero zvakakura zviri mukati meUnited Mint tolerances, iwe uchada kuzvienzanisa nemari yekuzivikanwa yemari yeUnited States. Yakawanda-chinangwa chekubhadharira mutengo wemari, zvakadai seRed Book rine izvi zvataurwa. Kunyange zvazvo zviyero zvinotenderwa zvekutsauka kubva pamashoko ekuMint zvakasiyana kune imwe neimwe yemari yesimbi, yese yezvido zvekubvumira zvakanyanya, zviduku zvikuru. Chero mari ipi neipi girasi pasi peight or inch eighth inch too small is out of tolerance and maybe a fake.

  Nzira yekushandisa nayo: Svinura uye uenzanise mari yako, uye fanisa zvawawana pane zvakaziviswa. Kana ivo vakadarika ne1% (zvichida zvakanyanya kana zvishoma) mari yako inenge yafungidzirwa mhosita.

  Yakarongedzwa na: James Bucki