John1: The coins you receive come a a large bin from the run of ? number of machines. They are sent to a wrapping facility and rolled. So you have coins from certain dies during a certain run. You will find a lot of duplicates of varieties sometimes if they are in that run. If not all you find a 50 Cents worth of coins per roll. The Denver ones were duds as far a variety that year. But the Philly ones were hot on the LP2 ones. The Boxed rolls from the mint (The ones with a roll of each P & D) are the most consistent to find varieties in. With the number of varieties so large, the prices in the future will be uncertain. But still a lot of fun to search for.