Singapore, 1977 10th Anniversary of Independence Commemorative $10 Coin.  Silver (.500) (Copper .400, .050 Nickel, .050 Zinc).  41mm. ; 31.10 grams.  Designed by William Lee.  Obverse: Singapore coat of arms surrounded by name in the four official languages; SINGAPURA சிங்கப்பூர்  新加坡 SINGAPORE 1977.  Reverse: Freighter in its berth; 10 DOLLARS.  Reeded edge.  Struck by the Singapore Mint.  Condition: UNCIRCULATED.  Comes in original wallet of issue.