1957Y. Penny rev. Narrow date Thin 7

Upstroke of 7 is thinner than the more common coin, Top of 7 is slightly lower than the 5, Serif like extension on foot of 7 cuts away approx. one third distance in from the left side, Dot after Y is positioned to the right of a large denticle, The 5 is closer to 9 than 1 is to 9. Approximately 1 in 10 occurrence.