Barber Halves
"Barber Halves were minted from 1892 to 1915. Barber halves largely went into circulation and stayed there, and most of the dates are available mainly in low grades."
"The series contains a notable and rare variety, the 1892-O Micro O (where the mintmark punch meant for a quarter was used by mistake). Fewer than 50 Micro O coins are known today. There is also rumored to be an 1898-O Micro O, but this has not been confirmed with certainty, and no specimen has been certified by any of the major grading services."
Barber Halves
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