SG2085a 1999 26p Pilgrim Fathers and 26p Salt Mill IMPERF Only 16 recorded U/M

SG2085a 1999 26p Pilgrim Fathers and 26p Salt Mill Saltaire Booklet pane of two Imperforate. Pierron Notes. Its unclear whether the imperforate Pairs came from an uncut booklet pane or a proof sheet. One intact pane containing 12 pairs is know (he states at total of 16 pairs are recorded). Other than being imperforate all copies are identical to normals including the phosphor and the gum. SG state as a footnote. Imperf Pairs of Numbers 2085 and 2089 are known and believed to be of proof status (priced at 750 pounds). Fine Un-mounted