Rare 19thc Map of Oceanica, Polynesia

Rare 19th Century hand-colored copper engraved map of "Map of OCEANIA exhibiting its VARIOUS DIVISIONS, ISLAND GROUPS" North Pacific Ocean, Polynesia, with Australia & the Sandwich Islands in inset, by S. Augustus Mitchell, dated 1860. 12" X 15". 19e century. With a nice border all around. Size with margins : 39 x 31,5 cm / 15,3 x 12,2 inches Condition : very good condition, old colors Edition : Philadelphia, 1860, 19e Century.