KGVI 2 1/2d Light Ultramarine 1950 Customs Declared for Unsolicited Gifts cover

2/4 paid which is 2/- double rate airmail and 4d registration. Franking 61/2d registered envelope with 2 x 2 1/2d and additional 1/- 4 1/2d. Registration increased to 4d 1st May 1949