50p Aircraft No 1. Armstrong and de Havilland. Phosphor error
booklet FB55 pane UMFB47.
50p Aircraft No 2. Viscount and Comet. Cover flaw
booklet FB56 pane WP797. Cover flaw with vapour trail from tail of comet. Left perfs trimmed straight.
50p Aircraft No 2. Viscount and Comet. Phosphor shift
booklet FB56 pane WP797. Phosphor shift to right and down.
50p Botanical Gardens No 3 Lillum. Error Orange cover.
booklet FB45a pane UMFB41. Quite different from the normal shades seen. Correct spelling "Mount Stewart". Imperf.
50p Cars No 5, 1896 Lanchester.
booklet FB14B pane UMFB20. Perfs short right.
50p Commercial Vehicles No 1.
booklet FB3B pane UMFB6. Perfs good. 7p left band
50p Commercial Vehicles No 3.
booklet FB5B pane UMFB6. Perfs trimmed short right. 7p left band
50p Farm Animals No 4. Sheep. Phosphor error
booklet FB24 pane UMFB31. Perfs trimmed at left.
50p Gilbert and Sullivan No 1. Yeoman.
booklet FB51 pane UMFB45. Short bands on bottom two stamps. Short perfs on right.
50p Gilbert and Sullivan No 1. Yeoman. Color error
booklet FB51 pane UMFB45. Cover colour pink and black instead of red and black. Good perfs
50p Gilbert and Sullivan No 1. Yeoman. Missing Phosphor
booklet FB51 pane UMFB45. Good perfs.
50p Gilbert and Sullivan No 2. Pirates.
booklet FB52 pane UMFB46. Short bands on bottom two stamps. Perfs just OK.
50p Gilbert and Sullivan No 2. Pirates. Missing phosphor
booklet FB52 pane UMFB46. Missing phosphor but poor perfs on left, supposedly less than fifty copies of this booklet MP exist.
50p Gilbert and Sullivan No 3. Mikado
booklet FB53 pane UMFB46. Short bands on bottom two stamps. Perfs just short on right.
50p Gilbert and Sullivan No 3. Mikado. Perf "Type P"
booklet FB53 pane UMFB46. Perfs good.
50p MCC No 1 Weathervane. Error
booklet FB39 pane UMFB42? Error, original phosphor ink NOT new type so pane is not UMFB42c. Perfs good.
50p MCC No 3 Lords Pavilion. Error.
booklet FB41 pane UMFB42ca. Error, 1p SBR, 13p SBL Phosphor synchronisation. New Phosphor ink. Perfs good.
50p Orchids No 1. Missing phosphor
booklet FB27 pane UMFB34. Perfs trimmed at left.
50p Orchids No 3. 4p Ink flaw.
booklet FB29 pane UMFB34. Perfs good.
50p Pillar Box. Phosphor error
booklet FB38 pane UMFB34. Perfs just OK.