1.0 = Abundant : exists in a very large supply. Offgrade cans have little or no value.

2.0 = Common : can be found easily. Offgrade cans of grade 3 or better may retain some value.

3.0 = Available : can be located with minimum effort. Offgrade cans of grade 3 or better retain some value and may be collected until a better example comes along.

4.0 = Elusive : the demand and supply are close to equal. Offgrade cans in most grades retain some value.

5.0 = Very Elusive : the demand outweighs the supply. Offgrade cans in most grades are valuable.

6.0 = Scarce : pristine examples may be hard to find. Offgrade cans are the majority in existence and can be quite valuable.

7.0 = Very Scarce : less than 20 pristine examples may exist. Offgrade cans are collected in all conditions and retain strong value.

8.0 = Rare : less than 10 pristine examples may exist. Offgrade cans are often the only ones available and retain strong value.

9.0 = Very Rare : a clean example may not exist. Offgrade cans may fluctuate with very high values.

10.0 = Unique : only one example is known to exist. A value cannot be given as there are no comparisons of similar cans available.