January 20, 2025
Ed Arias - Some Correctable Errors in the Private Die Proprietary Stamp Listings in the Revenue Section of the Scott United States Specialized Catalogue by Michael Morrissey (The American Revenuer, Second Quarter 2024 (Vol. 77, No. 2)
Karl Edelmann - Design Mistake! But who should we point the finger at? American Philatelist vol 131 no 11 November 2017