Singapore 1967 - 1985 1st series complete circulated coin set (19 pieces of each denomination). This is the first series of coins minted by the Singapore Mint. It comprises of 1c - $1 coins (6 coins in total). This series was minted from 1967 to 1985. Specifications: Marine Series The coins in this series have a common reverse design. The denomination of the coin is in the center with year date at the top. Two stalks of paddy appear on the left and the word "SINGAPORE" on the right. 1 Cent Copper-clad steel Weight: Copper clad steel - 1.744g Diameter: 17.78mm Thickness: 1.118mm Design: A high-rise public housing block with a fountain in front and clouds in the background. Edge: plain 5 Cents Metal: Cupro-nickel Weight: Cupro-nickel (1.410g) Diameter: 16.26mm Thickness: 1.02mm Design: A snake-bird sitting in its nest and preening its feathers. Edge: Milled 10 Cents Metal: Cupro-nickel Weight: 2.83g Diameter: 19.41mm Thickness: 1.40mm Design: A seahorse with a stylized piece of seaweed. Edge: Milled 20 Cents Metal: Cupro-nickel Weight: 5.66g Diameter: 23.60mm Thickness: 1.78mm Design: A swordfish against a background symbolizing water. Edge: Milled 50 Cents Metal: Cupro-nickel Weight: 9.33g Diameter: 27.76mm Thickness: 2.03mm Design: A lionfish from tropical waters. Edge: Milled 1 Dollar Metal: Cupro-nickel Weight: 16.85g Diameter: 33.32mm Thickness: 2.39mm Design: A stylized Singapore lion symbol flanked by two stalks of paddy. Edge: Milled Own a piece of Singapore's history now. Interested buyers, please sms or whatapps me at 8161 6106 (please do not call as I may not be able to respond to you immediately).