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Extremely Rare Netherlands East Indies Mint Error Struck at the Philadelphia Mint
This is an extremely rare and fascinating major mint error off-metal from the Philadelphia Mint. The U.S. Mints in Philadelphia and San Francisco struck the Netherlands East Indies 1/4 Gulden and 1/10 Gulden coinage during World War II. Experts in the U.S. and the Netherlands were consulted as well as searching through auction house catalogs and reference books and it appears that there are four known.
There are off-metals known from the Netherlands East Indies that were struck on U.S. cent planchets, nickel planchets and silver dime planchets. Additionally there are also U.S. cents, nickels and dimes that were struck on the Netherlands East Indies planchets. This occurred because the Philadelphia Mint simultaneously struck coinage for both the U.S. and the Netherlands East Indies during World War II.
The Netherlands East Indies 1/4 Gulden has a composition of 72% silver and 28% copper, with a weight of 3.18 grams and a diameter of 18.9mm. Instead, this mint error was struck on a 1/10 Gulden, which also has a composition of 72% silver and 28% copper, but with a weight of 1.25 grams and a diameter of 15mm.
It was authenticated and certified by NGC as MS 62 and retains it's full silver color and luster. Perfect for inclusion in a collection of mint errors or World War II coinage.
A Netherlands East Indies 1/4 Gulden has a diameter of 18.9mm which is significantly larger than this mint error on a 1/10 Gulden planchet with a diameter of 15mm.
Mint Error News has a 69 page report of coins struck by the U.S. Mint for foreign countries. It is the most comprehensive report available anywhere.