Hi John, I did look on here but there's a lot more about the 1944, not so much the 1947. From what I found my coin has a lot of the markings, such as the dot in the upper left field, no mint mark, and it weighs over the 5 grams. The only picture I found of another one looks very similar.
http://www.error-ref.com/henning-co...feit-nickel/
http://www.error-ref.com/henning-co...feit-nickel/






















