Singapore – Ship – Ocean Freighter – $10 – 1976 – Proof Silver Crown – Wood Mint Box & COA – Listed in Krause’s Standard Catalog of World Coins as KM-15 with a market value of $70, this $10 legal tender proof silver crown would make a nice addition to any collection of nautical or world coins. Comes with a Singapore Mint issued wood box and Certificate of Authenticity.