Here's the Mint's production figures website:
The modern US Saskatewan dollar is not gold. The USA and many other countries have minted gold coins for thousands of years. The US made millions of gold dollars in the 1800;s and many are still available. Most you see today though are counterfeits
1,000,000,000 Dollars
25
No gold Bicentennial coins of any kind were made by the US Mint, many common dollars, half dollars and quarters have been gold plated and sold as "Collectibles" for inflated prices.
None, the coins are not made from gold the coins are made from copper, zinc, manganese brass and nickel, but of the series 14 have been released for circulation. Two more are to be in circulation by the end of the year.
It depends on what the ring is made out of. (e.g. gold, silver, platinum, ruby, sapphire, etc.)
No US Military Medal is made of gold. The Purple Heart is the oldest US Medal, and many say it is the most beautiful. There is a Congressional Gold Medal that has been awarded by the US Congress, the first to General George Washington.
You have to get about 750.
2 cents
US $ 1,488
It's not quite clear what you are asking. Since 1971, US dollars have not been backed by gold, so one hundred dollars doesn't represent any gold. However, if you are asking how much gold you can purchase with one hundred dollars, the answer (as of 11 August 2011) is 0.057 ounces or about one eighteenth of an ounce of gold.
Francisco Pizarro's gold ingots were estimated to be worth several million dollars today. The exact value would depend on the weight and purity of the gold ingots he acquired.