Protect your square coins with these Quadrum square coin capsules from Leuchtturm. Designed to fit various square coin sizes, these capsules offer optimal protection against scratches, dust, and environmental damage. Whether you collect square coins for their unique designs or numismatic value, these Quadrum capsules provide a secure and practical storage solution. Let these Leuchtturm coin capsules be your trusted companion as you preserve the integrity and beauty of your square coin collection, ensuring that each piece is safeguarded for years to come.