Last updated: July 22, 2026
General Information Only
The content on this website is provided for general informational purposes about GWMSC, its history, activities, and offerings. It is not intended as professional, legal, financial, or investment advice regarding the value or authenticity of any philatelic items.
No Guarantee of Accuracy
While we strive to keep information accurate and up to date, GWMSC makes no warranties or guarantees about the completeness, accuracy, or reliability of any content on this site.
External Links
This site may contain links to third-party websites. GWMSC does not control and is not responsible for the content, policies, or practices of any linked external sites.
Collectibles and Valuations
Any references to the value, rarity, or condition of stamps, covers, or other philatelic materials are provided as general information only and should not be relied upon as a formal appraisal.
Limitation
To the extent permitted by law, GWMSC is not liable for any loss or damage arising from reliance on information found on this site. See also our Terms and Conditions for additional limitations of liability.
Contact Us
Questions about this disclaimer can be directed to us via our Contact Us page or by emailing keystoneiss.sales@gmail.com.