leuchtturm quadrum capsule square foam inserts 100pkOrganize and protect your Quadrum capsules with these square foam inserts from Leuchtturm. Designed to fit inside Quadrum capsules, these foam inserts offer optimal cushioning and protection for your coins. Whether you're storing your capsules in a binder or display case, these foam inserts provide a secure and practical storage solution. Let these Leuchtturm foam inserts be your trusted companion as you safeguard and showcase your Quadrum capsule