Why was the mint stamp I ordered hinged?
Mint stamps prior to the 1940s are more likely to have been hinged because stamp mounts had not been invented. After the 1940s, stamp mounts became more common, leading to less stamps being hinged.
Mint stamps prior to the 1940s are more likely to have been hinged because stamp mounts had not been invented. After the 1940s, stamp mounts became more common, leading to less stamps being hinged.