Labels:map | trade name OCR: COAO VLNTE When the Greeks first Sbegan trading they exchan iged goods for other things they needed bartered) They did CH noti use money until about 900 Hyvoia BC At that. time they Izmir began used thin iron rods obelos A bundle handful of obelos was called a drachma. Coins were first HOELOPONNESE introd luced about' 650 BC. The earliest coins were minted electrum ran alloy gold and silver Each city- state issued its own coins An electrum coins from Miletos (Turkey). about 570 BC butho Greek Coznage exchanged tuntil introduced Fach eectrun coin