1974 Macau 20 Patacas commemorative silver coin, featuring the Ponte Macau-Taipa (Macau-Taipa Bridge). The inscription around the edge reads "REPUBLICA PORTUGUESA PONTE MACAU-TAIPA 1974", and the Chinese characters "澳門跨海大橋" (Macau sea-crossing bridge) are visible above the bridge depiction.
Coin Details
Issuer: Macau (as a Portuguese Overseas Province)
Year: 1974
Denomination: 20 Patacas
Composition: .650 silver (65% silver content)
Weight: 18 grams
Diameter: 35 mm
Mintage: 1,000,000
Design: The reverse (shown in the image) depicts a traditional Chinese junk ship sailing under the newly built Taipa bridge.