One might consider these coins as the gold equivalent to "junk" silver (aka pre-1965 90% coins that are basically worth their melt value). Money Metals offers a multitude of pre-1933 fractional gold for sale including the $10 and $2.50 Indian Head coin to name a few. Or the Gold Liberty Coin in the $2.50, $5, $10, and $20 versions.

Buy these gold coins today:
https://goo.gl/XvSLSa