Premium, Specialty or Connoisseur
Dispensaries have different names for their premium strains, and often hold different criteria for labeling them as such, but in general, a premium or specialty strain will be a very high quality (comparable to top shelf strains) that is either award-winning or rare and popular. Specialty strains are often grown in smaller quantities so that the grower can offer them special care, which further supports the need to price them higher. Dispensaries often enforce additional sales restrictions on premium strains to help keep them in stock.
The quality of a batch of cannabis is largely subjective depending on the user and the seller. Most dispensaries market their product according to potency, popularity and overall quality, but it is up to the consumer to decide what is worth the extra cost and what is not!