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Giant Silver Buffalo

For I don't know how many years, the National Collectors Mint has been making giant buffalo silver proof coins. Every one that I have seen on eBay is 1 oz of silver. They show a Buffalo on one side and a certificate of authenticity on the other.
I have one of these coins/medals/rounds. However, Mine has the buffalo on one side and an Indian on the other, much like a buffalo nickel. The certificate is not in the case and is rectangular in shape rather than the circular ones that I have seen advertised. My certificate states that it is made of .999 fine silver and weighs 4 oz troy. I weighed it today and it the scale stated 4.5oz. So, what I am trying to find out is if this is really a 4oz silver coin, since I have never seen or heard of another. If it is, is there any special value to these, or is it just considered bullion?
Any help is appreciated.

Thanks

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Comments

  • SLQSLQ Posts: 311 ✭✭

    Is your scale measuring troy ounces.?

    4 troy = 4.388571 avdp.
  • BarndogBarndog Posts: 20,522 ✭✭✭✭✭
    sounds like bullion from your description.
  • Sounds like you have a 4 troy oz silver bar, instead of a coin.
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  • cinman14cinman14 Posts: 2,489
    this might explain the difference in scale weight


    The troy ounce (ozt) is 480 grains, somewhat heavier than an avoirdupois ounce (437.5 grains).[2] A grain is exactly 64.79891 mg; hence one troy ounce is exactly 31.1034768 g, about 10 percent more than the avoirdupois ounce, which is exactly 28.349523125 g. The troy ounce is the only ounce used in the pricing of precious metals, gold, platinum, and silver. The grain, which is identical in both the troy and avoirdupois systems, is used to measure arrow and arrowhead weights in archery and bullets and powder weights in ballistics. Grains were long used in medicine but have been largely replaced by milligrams.

  • PlatinumDuckPlatinumDuck Posts: 470 ✭✭✭
    My scale was measuring in regular? ounces. I figured it was just bullion, but I wanted to be sure it really was 4oz of silver.
    Thanks for the replies.

    Great Deals Buying and Selling: Metalsman, BobSav, Rick300, endzone, Swampboy, somecoins, Musca, commoncents05, Refrema, tonyhar, joebb21, kalshacon, JeremyDie1, percyb, scrapman1077, indiananationals, wondercoin, pragmaticgoat, tonedSilver, theboz11, Timbuk3, bigmarty58, HCumberdale, jp84, OnlyGoldIsMoney, UNLVino, coinguy1989, drewsef, coindeuce, pjcoins, giorgio11, Sullykerry52, KollectorKing, privatecoin, jclovescoins, Smittys, bronco2078, ajaan, jdmern, bidask, jrt103, CoinPhysicist, bigjpst, OKCC, Skanderbeg, pruebas, dizzlecc, MasonG, spummybum, SurfinxHI, snowequities

  • rickoricko Posts: 98,724 ✭✭✭✭✭
    Tis bullion lad... and valued as such. Cheers, RickO

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