koin50First Rp50 coin; to the left is the reverse, and the rht is the obverse. The Rp50 coin was first introduced in 1971 as a cupronickel coin that wehed 6.06 g (0.214 oz), had a 24 mm (0.94Koin kuno punya daya tarik tersendiri bagi para kolektornya. Tak jarang, para kolektor rela membayar mahal koin kuno impiannya untuk bisa dikoleksi. Lantas, seperti