While perfect quarters can fetch a tidy sum at auction, coins with errors can also be valuable because few usually exist. So, for example, if you have a coin with an image that has been double ...
The variety of the coin is determined by where it is minted. For example, the 1946 Washington quarters have three types: 1945-D, 1945-P, and 1946-S. Some coins are struck with errors that make them ...
Inborn Errors of Metabolism Drug Development 2020 is dedicated to addressing these challenges to ensure that drug developers can achieve their full commercial potential. Access the full event ...