1936 ½d, 1d, 1½d, set of 3 in unique horizontal tête-bêche Registration blocks of 48 spanning the sheet, with a 11.5mm vertical gutter margin between two tête-bêche blocks of 24

Each block with a typewritten Registration Certificate on the reverse; the ½d reading:

“This sheet of the ½d Unified Stamps, 240 set, was taken in the presence of the Post Office Control Officer at the factory of Messrs. Harrison & Sons, Ltd.
at High Wycombe for the registration of the first print of the King Edward VIII stamps of this denomination for Books.

(Signed) D.P. Dell
Senior Staff Officer.
15 October, 1936.

(Initialled) W.R.
Stores Department,
Stamp Section.”

The 1d with similar Registration Certificate and signed, dated ’24^th November, 1936.’; the 1½d ‘1 October, 1936’