Pan made a mistake when the red band of the earlier “directors” editions was swapped for the yellow 007 band. If you look just above the left hand side of the yellow band you can see the cut off top of Ralph Vernon-Hunts head.
10th printing 1963 with X235 to spine. Copies have been found unpriced and with 3’6 printed to the front cover. One copy has also been found with the earlier G101 cover priced at 2/6.
11th printing 1963 with X235 to spine. Copies have been found with
12th printing 1963 with X235 to spine. Copies have been found with 3’6 printed to the front cover
The 12th printing is more commonly found with the Diamond “Hawkey” cover. 12th printings with this artwork probably used up a few spare covers left over from earlier printings.
Note the artwork for the 7th through 9th printing is visually similar but has G101 to spine and GREAT PAN to front.