The 1921-M threepence is one of the most common dates in the series with a high mintage of over 7 million pieces. In
Mint state
A state of a coin that shows no signs of circulation
mint state the date is also well represented with numerous hoards turning up such as the 1921 hoard. Like the 1921 hoard, most hoards of the year were lightly circulated hoards making the year scarce above MS63.
The type is characterized by an
M Mintmark
A marking, usually a letter or dot that signifies which mint struck a particular coin
mintmark underneath the date, differing from the 1921 plain which was produced in January 1922.
The 'M' mintmark beneath the date on the 1921-M threepence
The relative affordability in typical
Mint state
A state of a coin that shows no signs of circulation
mint state makes this coin a popular choice as a
Type coin
A coin chosen to represent a series in a type set, usually for cost or quality reasons
type coin and while the strike is usually problem-free and good enough for grades up to the MS65-66 level, strike conscious collectors will do well avoiding this date due to a typically weak region around the top of the shield and the star. This is due to the high production requirement in 1921 due to the post-war economic boom.
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