Untitled Document1992, Spain. Proof Silver 5 Ecu “Madrid Culture Capital” Coin Mint Years: 1992 Mint Place: Madrid References: KM-X#M36. Denomination: 5 Ecu - Madrid (Europe´s Capital of Culture) Material: Silver (925) Weight: 33.62gmDiameter: 42mmThe European Currency Unit (₠ or ECU) was a basket of the currencies of the European Community member states, used as the unit of account ...