7.3 Broadstruck and off-center coins
Broadstruck coins are those that are struck outside of the retaining collar. Without a collar there is nothing to contain the coin as it is struck and the planchet expands to a diameter larger
than that for a coin struck in a collar. Since there is no collar holding the planchet, broadstruck coins can appear centered or uncentered depending on the position of the planchet as the
dies strike the coin.
1875-S uncentered broadstruck coin
The second example below is another uncentered broadstruck coin that also appears to be off-center. This coin illustrates the somewhat difficult task of distinguishing the difference between
these two error types on lower-grade coins. The obverse has the appearance of an uncentered broadstruck coin. The reverse has enough of the design elements missing to be considered an
off-center coin. What may contribute to the difference between the remaining design on both sides is that the dies may have be slightly misaligned during striking.
1875-CC uncentered broadstruck or off-center coin
Both broadstruck and off-center twenty-cent pieces are rare.
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