3-ring binder: https://www.amazon.com/Avery-220-Sheet-Capacity-DuraHinge-17832/dp/B00C31AG9Y/

Pages to hold the coins: https://www.amazon.com/BCW-20-Pocket-Pages-Pocket-Size/dp/B002KDNAU2/

Coin flips: https://www.amazon.com/Favourde-Pieces-Cardboard-Assortment-Collection/dp/B07G5F9C2Q/

This is how I manage my collection