Diamond Cardboard | Premium Vintage Sports Cards

Home Shop About Contact

Home Shop About Contact

QUICK LINKS

Shop All Cards
Our Story
Contact Us
Shipping & Returns
Terms of Sale
Privacy Policy

CONTACT

Diamond Cardboard, LLC
PO Box 380
State College, PA 16804
(724) 840-1449
info@DiamondCardboard.com

NEWSLETTER

Get notified about new arrivals and exclusive deals.

© 2026 Diamond Cardboard, LLC. All rights reserved.

Visa · MC · Amex · PayPal

YOUR CART

◆

Your cart is empty