This is a digital emulation of a Vietnam cigarette lighter, circa 1966.
During the Vietnam war, lighters were engraved with numerous variations of maps highlighting different areas. This particular design is based on a Japanese-made Coronet Rocky Brand lighter, as carried by some members of the 5th Special Forces (Airborne) based in Nha Trang during the early years of the war. (Zenith lighters — and probably others — featured an identical map.)
An alternate version (generic) is also available, as well as a unique “pearloid grip” design…
Note: This design is proportioned to work with all case models, with adequate space at the bottom for the Touch capsule, and text aligned to avoid capsule seams. See Uncommon iPhone Cases for general information about these cases.