David Akers (1975/88):
As a date, the 1804 is no more scarce than any of the other 1800-1807 Heraldic Eagle Half Eagles. However, when broken into the two major varieties , each is somewhat more scarce than the other Half Eagles of this period with the exception of the 1806 Pointed 6. The 1804 Small 8 is obtainable in all grades and gems are encountered with some regularity. One major subvariety has the 4 in the date distinctly repunched. It is prominent enough that most cataloguers call attention to it but, although it is more rare than the normal Small 8 variety, it does not command a premium price.