Tubes are plastic containers designed to hold a number of the same size coins. They come in different sizes for different coins. They are fine for bulk storage of circulated coins and are appropriate for higher grade Uncirculated, BU+ and MS60+ coins. A disadvantage is that the coins cannot be viewed without being removed from the tube.
Hard Plastic Holders are preferable for more valuable coins. They are self sealing, and not known to contain any materials that harm coins and offer good protection against scratches, touching and handling, air and chemicals, and other physical damage. They are available for individual and small sets of coins, and come in all sizes.
Slabs are Sonically Sealed hard plastic holders for individual coins. They offer Excellent protection. Because of the expense of having a coin slabbed, they are generally suitable only for more valuable coins – i.e.: BU+ and MS60+ Coins.
Although generic slabs are available, most often, a slab will be seen holding a coin that has been Professionally Certified and Graded - which has tremendous advantages. The biggest advantage is when buying a coin on the Internet or by phone. You know what you’re getting. A coin Certified and Graded by one of the “Top Four” gives reliability, assurance and security. A big advantage over the scam sellers of raw coins, and non-conforming grading companies.
Have fun collecting your Perfect Coins!