50p Aircraft No 2. Viscount and Comet. Phosphor shift

booklet FB56 pane WP797. Phosphor shift to right and down.
Sales price: 30,00

The 20p has a narrow left bar and a broad right bar stopping halway up QE crown, does not reach selvedge at top.

Both 15p's have a narrow left band that just crosses the ink and gives a narrow right band on the label.

Unlisted but significant pane variety & cheap. Good perfs.