Antigua 1977 QEII Statehood $2 Imperforate Pair Mint SG566var proof?

Queen Elizabeth II tenth anniversary of statehood $2 imperforate vertical pair mint. Am unsure on the status of this item - the colours are deeper than the issued stamp and presumably this is of proof status. Unmounted mint.

Year : 1977

Reign : Queen Elizabeth II

Catalogue No : SG 566var

Condition : Unmounted Mint

Price : highest bid