1964 d nickel extra d?🫠

Johnsnow

JBK

It's a counterstamp. Someone with a set of letter punches added the "extra D". It is incuse so obviously not from the mint.

jmlanzaf

@JBK said:
It's a counterstamp. Someone with a set of letter punches added the "extra D". It is incuse so obviously not from the mint.

This.

To the OP, do you not see that the D below Monticello is incuse?