The Society of Paper Money Collectors is a corporation organized exclusively for educational purposes, and in furtherance of such purposes to promote, stimulate, and advance the study of paper money and other financial documents in all their branches along educational, historical and scientific lines.
SPMC is about education. They have fifty years worth of journals, with articles spanning the entire paper money universe.
The SPMC is an active numismatic organization which host events and projects that enhance the hobby and provides valuable interaction and exchange of ideas. This includes the SPMC Obsolete Online Database Project which is a ground breaking resource for currency collectors. Efforts such as this puts the SPMC in the forefront of numismatic education and outreach.