What is "Key", when Collecting Coins?

whose Christmas Decorations date mai be Kei ,Certain Seller us the term Kei Date to gener interest in a coin. however, the Condit of the coin is usual less than desirable. Pai Attention!

0,What is Kei , When Collect Coins?

Jbi Robert L Taylor.D

for example,Kei Coin: A coin that is among the toughest and Most Expensiv to obtain within a series. In the Lincoln Cent series. the 1909-S VDB would be consid the key, as would the 1914-D and often the 1922-Plain.

A coin somewhat lesser in statur but still among the tougher in a seri to collect is call a semi-key; the 1909-S and 1931-S fulfil thi role within the Lincoln Cent seri for mani collectors.

rather than the individu coin. For example,Th Concept of Kei mai also appli to the Type or Purpos of the coin collection. if a collector is put togeth a collect of Walk Liberti Half Dollars, without regard to the Condit of the coins, then the kei ar the 1921, 1921-D, and 1916-S.

if the Collector is put togeth the same set,But. in Gem BU Condition, the 1919-D and the 1921-S would be consid the kei and the 1916-S like would not, becaus the 1916-S either not avail at all, or is plentiful. Also Kei Date mai be a replac term.

us Lincoln Cents: The "kei dates" for the Lincoln Pennies,Anoth example. from 1909 -1958 wheat cent are: 1909s, 1909 VDB, 1914 D, 1922, and the 1931 S.

1911 D,The semi-kei date are: 1910 S. 1911 S, 1912 S, 1913 D, 1913 S, 1914 S, 1915, 1921 S, 1922 D, 1923 S, 1924 D, 1926 S, 1931 D, and 1933 D.