1.70 Kr. 

International registered air mail letter to North America (category 3a) 5 < 10 gr.

Postage rate 50 öre, registered mail fee 70 öre and air mail fee 50 öre

Registered mail label type 7:4

Arrival postmark: Scarsdale 10/04/64

01/07/62 - 30/06/64