Modern Coin Mart via eBay offers five 1-oz. .999 Silver Saint Gaudens Coins for $111.84 with free shipping. That's $22.37 per coin and the lowest total price we could find for this quantity by $4. All coins contain 1 troy ounce (31.1 grams) of .999 fine silver.
Note: Silver is currently trading at $19.52 per troy ounce. All sales are final and this item can't be returned.
Most taxpayers will see their tax bill go down during 2018. That could impact which type of account -- traditional or Roth -- makes sense for you.