CoinWorldTV 1914, German East Africa (DOA). Copper-Nickel 5 Heller Coin. Mint Date: 1914 Reference: KM-13. Denomination: 5 Heller Mint Place: Hamburg (J) State: German East Africa (DOA) Material: Copper-Nickel Diameter: 21mm Weight: 3,13gm Obverse: Large crown of the German Empire with ribbons above above central hole, which splitts date (1914). Legend: DEUTSCH OST-AFRIKA ("Germa ...