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| 1920 Buffalo Nickel Struck on Copper Planchet
NGC AU 55
 This Discovery Coin is a 1920 Buffalo Nickel struck on a full size copper planchet of the same diameter, thickness and weight of a Buffalo Nickel!! Its composition is 89% CU, 8% ZN and 3% SN. The weight is 4.96 grams which is 76.54 grains. This unique Off-Metal Buffalo Nickel is unreported in Breen, Judd and Pollock.

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| 1920 Standing Liberty Quarter Struck on Peru 20C Planchet
NGC MS 60 FH Unique
 This is the only known Standing Liberty Quarter struck on a foreign planchet for the entire series. Standing Liberty Quarter Off-Metals are so rare that there are only a handful known struck on any other planchet. This unique off-metal is a very recent discovery and was unknown to the numismatic community and not listed in any reference book or catalog.
This is one of the most incredible and rare major mint errors that I've ever had the pleasure of offering for sale. It is an extreme rarity and would be the centerpiece of any mint error or Standing Liberty Quarter collection.

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| 1921-S Morgan Dollar Struck 45% Off-Center
NGC MS 63
 This is the furthest off-center Morgan Dollar known. Even though the date (1921) does not show, the S Mint Mark is on the reverse and this die pair was used to strike 1921-S Morgan Dollars.

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| "S" Walking Liberty Half Dollar Double Struck 50% Off-Center on 25¢ Planchet
MS 65 PCGS UNIQUE
 This Walking Liberty Half Dollar has to be the most incredible mint error in the series. Not only is it struck on a silver Quarter planchet, it is also double struck. The second strike is 50% off-center with a uniface obverse. Even though there is no date, it was struck at the San Francisco Mint since the "S" is clearly visible. It is in gem mint state condition and was recently certified by PCGS. It is also the cover coin of Issue 24 of Mint Error News Magazine.

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