I USE THE 4VC VARIO SHEETS; HOLDS 8 SLOT CARDS; 5 PAGES TO A PACKAGE. LOOK AT THE BOTTOM LEFT OF THE VARIO COVER SHEET. HAVE USED THESE FOR ABOUT 10 YEARS. IF YOU ARE A SUBSCRIBER OF THE "COIN WORLD" MAGAZINE, YOU GET A NICE DISCOUNT. CALL 1-800-572-6885 FOR CREDIT CARD ORDERS, AMOS ADVANTAGE. USUALLY RECEIVE IN 5 BUSINESS DAYS.