An Expertizing Service was established in 1965 and became a joint operation in 1970 with the American Stamp Dealers' Association when the ASDA formed a professional panel to assist the APS Expert Committee.

The American Philatelic Research Library was incorporated in 1968 as the research and educational arm of the APS. The APRL has been recognized for decades as a top-ranking library available to all regardless of philatelic affiliation. Edward L. Willard of State College, a former APS President, was the APRL's first President.

One of the major milestones in APS history was the dedication of the American Philatelic Building in State College on September 12, 1972. For ten years, this modern two-story building provided quarters for the APS on the second floor, and the APRL on the first.

Upon the death in 1976 of The American Philatelist editor, James M. Chemi of Phoenix, Arizona, the editorial offices were moved to the State College headquarters as the consolidation of APS services continued.

The annual convention of the American Philatelic Society in 1977 was the first 'STAMPSHOW', and the site for the honoring of the 'Champion of Champions' of the World Series of Philately.

The American Philatelic Society's first annual week-long Summer Seminar in Philately met on the campus of The Pennsylvania State University in 1980. The program continues, with nearly 100 students each year.

Rapid expansion of membership in the late 1970 led to expansion of the national headquarters in February 1982. A new American Philatelic Building was dedicated on a five-acre site on the outskirts of State College, providing more that 20,000 square feet of floor space. The growth of the APRL led to an addition to the building in 1989. Although this expansion was originally for the library alone, the creation of the APS Education Department lead to conversion of other space for this office, and part of the addition became storage space for the APS.

By 1995 computers were vital for efficient operations, and an Information Services department was created. The APRL card catalog was the first in-house generated website, although an APS web-page was established and has been available 1995.

The Education Department held its first 'Stamp Saturday' at the annual convention in St. Louis in 1995. Stamp Saturday is a hands-on beginners courses for adults. The Education Department added a youth coordinator in 1998 to manage the All-Star Stamp Club program.

Technology advancements were made in the Expertizing Service in 1996 when a 'crimescope' forensic light source was purchased to assist in the detection of altered materials.

With the internet an increasingly important communications media, a webmaster was added to the headquarters staff in order to maintain timely additions to our web page. The Education Department now offers 'StampCampus,' a series of on-line educational programs. In August 2000, an on-line Internet Sales Unit was demonstrated at the annual convention in Rhode Island. Initial indications show this service to be in high demand.

The APS and APRL will continue to offer services that respond to the needs and interests of our members and the entire world of philately.