Instructions
Find the fair market value of the goods found while metal detecting. If you sold the goods, this would be the sales price. If you've kept the item, the fair market value is the price at which you could sell the goods. You can determine an item's fair value by checking websites such as eBay.
Write "findings" as the type of income on Form 1040, Line 21.
Write the fair market value of the goods on Form 1040, Line 21.