What is the APS Expertizing Service?

The APS Expertizing Service is a specialized service offered by the American Philatelic Society (APS) that aims to authenticate and examine postage stamps. This service is provided by a team of expert philatelists who have extensive knowledge and experience in stamp collecting. The Expertizing Service analyzes and identifies various factors of a stamp, including its genuineness, condition, and any alterations or repairs. By utilizing their expertise and resources, they can provide a certificate of authenticity for individual stamps or entire collections. This service is highly beneficial for collectors as it ensures the integrity and value of their stamps. The APS Expertizing Service adds credibility and expertise to stamp collecting, positively influencing the enjoyment and investment potential of the hobby.