Gold one dollar coins struck in the USA have a very interesting
history. The first year that the US Mint struck gold one dollar
coins, 1849, is also the first year that the US Mint struck $20
gold double eagles. The contrast between the 1849 gold one
dollar, which is quite tiny in size almost like a thumbnail (the
photo below is a very enlarged view to show the coin's beautiful
detail), and the 1849 $20 gold double eagle, is extreme, as is a
comparison with gold eagles. The really very tiny Type 1 gold
one dollar coins then spanned the period of 1849 to mid-1854.
There are quite a few much more highly valued branch mint issues
even in what at first might seem to be a short or easy series.
Saying that the gold one dollar series is easy would only be
realistic to say if what is meant is a "year set", meaning one
coin from each year, and of course they all are from
Philadelphia because those are the least costly. A similar
example is if it was meant that acquiring a single gold one
dollar Type 1 for a type set s