Some tokens on Culture Vault are rarer than others. For example, a token which has only 1 edition, is more unique than a token in a collection which has 100 editions of its kind.
Culture Vault's rarity guide categorizes tokens in the following tiers of rarity:
'Premium' tokens are one of ones which come with an exclusive offering to the owner of the token e.g. an experience or a physical asset.
'Exclusive' tokens also come with an exclusive offering, however more than one of these tokens exist.
'Rare' tokens are one of a kind, however they do not come with additional offerings.
'Limited' tokens are part of a collection which has more than one of its editions.