First Definitives Maps & Navigation, Part 1. Cartography and navigation are cornerstones of Marshall Islands history and development. Fittingly, the first definitive stamps of the Republic celebrate the Marshallese as Pacific Islanders and the importance of navigation in their heritage. Information page includes cancelled stamps 1cent (Sc# 35), 3 cent (Sc# 36), 5 cent (Sc# 37), 10 cent (Sc#38), 30 cent (Sc# 44) and $1 (Sc# 49a.)