1950-52 2d pale red-brown, unique horizontal tête-bêche Registration block of 72 spanning the sheet with 11.5mm vertical gutter margin between two tête-bêche blocks of 36

Printed Registration Certificate on the reverse with manuscript entries reading:

“THIS sheet (240 set) 2^d Book (Brown) WAS TAKEN IN THE PRESENCE OF THE POST OFFICE CONTROL OFFICER AT THE FACTORY OF Messrs. Harrison & Sons., Ltd. AT High Wycombe, Bucks. FOR REGISTRATION OF THE FIRST PRINT OF this denomination in Brown

(Signed) E. Carr
CHIEF EXECUTIVE OFFICER
7^th February 1951

(Initialled) HWP
INITIALS OF THE CONTROL OFFICER
SUPPLIES DEPARTMENT
STAMP DEPOT”