That really depends on what options the car has. Is is a six cylinder car or a V8 car? Is it an automatic, 3-speed manual, or 4-speed manual? Does it have air conditioning or Power Steering? ALL of these things effect the price, so without knowing all of these things it's impossible to tell you how much the car is worth.
The Ford Mustang is and has always been one of Ford's most popular model cars. In 1966 the average cost of a moderately equipped Mustang was right around 2450.00.
You can get a 1966 Mustang air condition exploded diagram at auto parts and book stores. Repair manuals are available with various diagrams.
The cheapest place to buy a 1966 Ford Mustang might be through a private dealer. It may be possible to buy a Mustang for cheap that needs some work done on it, which will lower the price considerably.
Someone can purchase a 1966 Ford Mustang in general from any older or collectable car dealer. They can often be bought from private sellers that are selling them on their own and taking in all of the profit, this is often how they are sold.
Try using eBay or craigslist for reference
ford mustang 1966
The top speed for the 1966 Ford Mustang is around 150 to 170
http://auto.howstuffworks.com/1965-1966-ford-mustang-specifications.htm
How fast does the 1966 Ford Mustang Shelby GT 350 do what?
A lot, quite a lot. In a good condition from 10,000 EUROs up, that's around 14,000 USD. Just "products" on Google.de: http://www.Google.de/products?q=1966+Mustang&price1=&price2=&scoring=pd&btnG=Go&output=HTML
Research has shown that there are a number of options available for purchasing parts for a 1966 Ford Mustang. These parts can be found on eBay, CJ PonyParts, and Dallas Mustang.
The coin is valued at a price close to $5. The price will vary depending upon the condition of the coin.