As one of its daily deals, Modern Coin Mart via eBay offers the American Eagle 2013 $5 Uncirculated 1/10-oz. Gold Coin for $145.95 with free shipping. That's the lowest total price we could find by $4, although we saw it for $3 less in January. It contains 1/10 troy oz. (3.1 grams) of pure gold. Deal ends today.
Note that gold is currently trading at $1,255.60 per troy ounce. All sales are final and this item can't be returned.