United States. (Hawaii - Cambodia). 1910. Private Mailing card of 'King Kalakaua at Captain Cook Monument, Hawaii' addressed to the 'Grand Hotel, Pnom-Penh, Indo-China' bearing United States SG 339, 2c carmine tied by Portland/ Transit duplex date stamp 'Ape 24 1910', routed via Saigon with Pnom-Penh/ Cambodge arrival '11th Juin'. Unusual destination from Hawaii.