California Indian Octagonal 1/4

Die varieties for the series are listed below.

CIOQ-1
CIOQ-2
CIOQ-3

CIOQ is an abbreviation for California Indian Octagonal Quarter. Two of the three die varieties (The 1860 Head Right and 1902 Head Left) are virtually unobtainable. The remaining die variety, the 1860 Head Left, is very rare, especially in unimpaired (not ex-jewelry) condition.