Some of the most beautiful and valuable Canada stamps are the three-pence beavers, Scott #1, #4, #12 and #15 (Read moreHow to tell Canada’s three-pence beaver stamps apart
One of the most difficult aspects of stamp collecting can be identifying your stamps. There are various points which make a stamp different from the next: perforation measure, actual stamp size, colour, paper, fluorescence, and special markings such as watermarks. There is also the problem of identifying world stamps correctly since the inscription is often in another language. We hope to demystify the process in this article.
Obviously, a major attraction of stamp collecting is the investment potential. One of the rarest and most valued errors in philately is the «invert error». What is an invert error and what are these stamps worth?