[The following excerpt is published courtesy of DLRC Press and its author, David & John Feigenbaum. This information was originally published in 1991 in The Complete Guide Certified Barber Coinage]

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Appendix A

Glossary

BUSINESS STRIKE - A coin which was minted for public circulation.

MINT STATE = UNC - A business strike that has not been put into circulation. In other words, it shows no sign of wear.

MUMPS - Refers to coins which exhibit a goiter- like swelling on the neck and jaw of liberty. Found on some 1906-O, 1907-O & 1908-O quarters. Usually not noticeable on coins below VF grade. Appears to have been caused by some sort of die buckling. (Also seen on Barber Half Dollars of the same period).

NGC – Numismatic Guaranty Corporation of America. The NGC Census Report of Jan 1999 was used to tally the population of NGC certified coins in the date-by-date descriptions and Appendix tables.

O-MINT - A coin that was made by the New Orleans Mint.

P\L (PROOF-LIKE) - Refers to coins that have mirror (reflective) fields, as proof coins do.

PCGS – Professional Coin Grading Service. The PCGS Population Report of Jan 1999 was used to tally the population of the PCGS certified coins in the date-by-date descriptions and Appendix tables.

P-MINT - A coin that was made by the Philadelphia Mint.

PHILIPPINE HOARD COINS - Refers to coins originally sent to the Philippines for local use, hoards of which periodically show up in the U.S. in relatively high circulated grades. The predominant dates are 1898-S, 1899-S and 1900-S. Most are cleaned EF and AU grades.

PLANCHET STRIATIONS - Light parallel lines in the planchet due to wearing of the roller fingers that flatten the planchet stock before stamping. Not limited to Barbers. Seems to occur most often in S-mint coins.

PRICE INDEX - A formula used to compare the relative value of a given date. The MS 63 PI is obtained by multiplying the total number of coins certified by PCGS and NGC in mint state (for that date) by the MS 63 “bid” level published in the Coin Dealer Newsletter, Monthly Supplement and then dividing by 1,000. The MS 65 PI is obtained by multiplying the PCGS/NGC population for that date in MS 65 by the CDN “bid” level in MS 65 and then dividing by 1,000. All data came from Jan 1999.

POP REPORT = population report - The tabulation of the number of coins certified by date and grade. PCGS publishes theirs monthly while NGC issues theirs on a quarterly basis (they call it a Census report).

PROOF – A coin which was made from specially prepared, polished dies and struck at least twice to make a sharp impression. Minted for collectors and not meant for circulation.

RANKING – The ranking from low to high in relation to the other coins in the series. For example, a coin whose mintage ranks 5th has the 5th lowest mintage of the series. In the case of certified mint state or proof coins, the ranking is based on the total number graded by PCGS and NGC combined in their respective January 1999 reports.

RARITY RATING – The scarcity of the coin relative to others in the series. (See page 5.)

S-MINT - A coin that was made by the San Francisco Mint.