Here are the only items listed by the IRS in Rev. Proc. 92-103 as requiring submission for Form 1099-B, and the minimum threshold quantities that must be sold in a single or related transactions before the form must be filed:
Item
Minimum Fineness
Minimum Reportable Amount
Gold Bars
0.995
Any size bars totaling 1 kilogram (32.15 troy oz.) or more
Silver Bars
0.999
Any size bars totaling 1,000 troy oz. or more
Platinum Bars
0.9995
Any size bars totaling 25 troy oz. or more
Palladium Bars
0.9995
Any size bars totaling 100 troy oz. or more
1 oz. Gold Maple Leaf
as minted
25 1-oz. coins
1 oz. Gold Krugerrand
as minted
25 1-oz. coins
1 oz. Gold Mexican Onza
as minted
25 1-oz. coins
US 90% Silver Coins
as minted
Any combination of dimes, quarters, or half dollars totaling $1,000 face value or more
If an item is not on this list, sales of it does not need a Form 1099-B to be filed, no matter how large the quantity!