What are the Vancouver 2010 Olympic coins worth?

In overtime in pro football are there two overtimes or does it just end after one as a tie? Does a 1981 Kennedy Half dollar that has been stamped with a 3 dimensional Libery Head and then gold plated have any value? What does the abbreviation TOI stand for in hockey terminology? What does moroku mean? How many countries competed in the Olympics for the past ten years? What logo has a orange oval with a penguin in it? What were rewards for the modern Olympic games? Where are the next summer and winter Olympics going to begooglecom? How many countries are required to participate in an olympic sport? What does RB 14 K mean? Which countries do the olympic games take place? What is a Willa Cather gold coin half ounce? Where is the House Of Ukraine in La Mesa California located? What infrastructure must be present in a desination to host international events? How much is a Jeff Gordan Daytona rolex watch worth? Biggest mountain in Ukraine? Why did Olympic Games take place between early August and middle September? What are some country songs with oxymorons in them? Why is there 204 countries in the Olympics when there is only 196 countries in the world? What is oratono?