Nauru    

Nauru 1938 Registered envelope to Ceylon via Melbourne
bearing 1 1/2d Red SG28 (Strip of 3) Postage & Revenue, tied by Nauru Central Pacific datestamp with matching registered label, & Colombo Registered arrival. (pt)
Nauru (British Mandate Period) 1919 Registered envelope to France
bearing 2/6d Pale Brown SG20 tied by P.O. Pleasant Island datestamp with registered label and Paris arrival. A scarce item from the British Mandate Period. (pt)