Try the "Standard Catalog of World Coins, 1701 to 1800" published by Krause Publications.
You can find one stamped on the coins minted for Panama. They use dollars but call them "Balboas". They actually use coins minted by the US mint in the exact same sizes and denominations as American coins and most denominations of the coins show an image of Balboa on them.
Australian coins minted at the Melbourne Mint do not have a mintmark.
All coins have a date that they were minted, so by looking at the coin carefully, you will find the date the coin was minted.
British Edward VII (1902-1910) Sovereigns and Half-Sovereigns were minted at the Royal Mint London, Ottawa, Melbourne, Perth and Sydney Mints. The coins minted in London have no mintmark. The Sovereign and Half-Sovereign coins minted elsewhere have a mintmark "on the ground" below the horse and above the date. The coins minted in Ottawa have a mintmark "C". The coins minted in Melbourne have a mintmark "M". The coins minted in Perth have a mintmark "P". The coins minted in Sydney have a mintmark "S". The letters BP to the right of the date is the designers initials (Benedetto Pistrucci) who designed the St George and the Dragon scene.
Most coin shops will carry this article in stock. If you cannot find one locally, try Littleton Coins website. Many of the novelty catalogs like Walter Drake will often have them too.
Quite simply, there were no US dollar coins minted that year.
The coin to which you refer is a British Half-Sovereign minted at the Sydney Mint. The 1887 Half-Sovereign coins minted at the Royal Mint London and coins minted at the Sydney Mint are almost identical except for the mintmark which is a very small "S" below the shield on the reverse. Pictures of a specific coin are difficult to come by. Frequently you should be able to find one on eBay, but the picture is withdrawn after the coin is sold. See the link below and look for the Victoria - "1887 Half-Sovereign, London Mint" down towards the bottom of the page.
Answer All coins are considered worth something depending on how many of that particular coin was minted in 1943. You can find this out by buying a book on old coins, and it will tell you how many were minted that year and what your coin is worth.
Any 1942, 1943 or 1944 Australian Threepence, will have the "S" (San Francisco) or "D" (Denver) mintmark on the reverse of the coin, on the right hand side, just below the fourth digit of the year. Any coins minted in Melbourne will have no mintmark.
You look at the mint mark. If it is a D, then it is Denver, if it is a S, then it is San Fransisco, if it is a P, it is a Philadelphia.US Coins carry a mark to identify the mint.
Nickel is commonly found in the Earth's crust, usually in combination with sulfur and other metals. It is often mined in countries like Russia, Canada, Australia, and Indonesia. Additionally, it can be found in various types of ores such as pentlandite and garnierite.
No. find the website for Calgary Coins. There they will tell you the metal content and a VERY brief history of Canadian coins. 1968 was the last year silver coins were minted for circulation, and then only for part of the year and in debased .500 fine alloy.