It is the remnants of a die clash event.
Your coin looks like a normal date position with the mint mark set high and possibly left of center. Compare to VAM-5 and VAM-5A (any sign of the die crack off the E in ONE?)
Your coin looks like a normal date position with the mint mark set high and possibly left of center. Compare to VAM-5 and VAM-5A (any sign of the die crack off the E in ONE?)























