It looks like a Penny coin from South Africa (KM#46). The coin weighs 9.6 grams, is made of bronze, and measures 30.8mm in diameter. The front bears an image of Queen Elizabeth II, facing right, with the words "ELIZABETH II REGINA" (Latin for "Elizabeth the Second, Queen"). The back has an image of the sailing ship "Dromedaris" under full sail, with "1955" above, "1D" (the denomination - One Penny) below, "SOUTH AFRICA" to the right, and "SUID-AFRIKA" (Afrikaans for "South Sfrica") to the left. 6,508,000 such coins were produced for circulation in 1955, with another 2,850 in Proof Answer Part 4 of 5 for collectors.According to the Standard Catalog of World Coins, an example would be valued at US$0.20 in Fine condition, US$0.35 in Very Fine condition, US$0.75 in Extremely Fine condition, and Answer Part 5 of 5 US$3.00 in Uncirculated condition. An example in Proof condition would be valued at about US$2.00.