1: Discover the evolution of Jefferson Nickels' composition
2: From nickel to silver war-time alloy, explore the changes
3: Learn about the 35% silver composition during WWII
4: Post-war return to copper-nickel blend in Jefferson Nickels
5: Find out how the 2010s marked another composition change
6: Over the years, see how Jefferson Nickels have transformed
7: Explore the significance of composition changes in numismatics
8: From 1938 to present, track the shifts in Jefferson Nickels
9: Uncover the history behind the varying compositions in Jefferson Nickels