• Perfin Checklist
• Railroad PDF 2025 Checklist Here
• Railroad Excel 2025 Checklist Here

Inventory Lists (U.S.)

• 1902 Definitive Series
• 1908 One and Two cents
• 2c Reds
• Army-Navy
• Alphabet Make Up Rate 1991-98 (1-1-25) – Excel
• Alphabet Make Up Rate 1991-98 (1-1-25) – PDF
• Alphabet Nondenom. 1978-98 (1-1-25) – Excel
• Alphabet Nondenom. 1978-98 (1-1-25) – PDF
• Americana Series 1975-81 (1-1-25) – Excel
• Americana Series 1975-81 (1-1-25) – PDF
• Bi-Colored Airmails (pre-1940)
• C1-C6 airmails
• College and Universities
• Famous Americans
• Flora & Fauna 1990-2002 (1-1-25) – Excel
• Flora & Fauna 1990-2002 (1-1-25) – PDF
• Great American series 1980-99 (1-1-25) – Excel
• Great American series 1980-99 (1-1-25) – PDF
• Liberty Series (1-1-25) – Excel
• Liberty Series (1-1-25) – PDF
• National Parks
• Non Denom 2nd generation (1-1-25) – Excel
• Non Denom 2nd generation (1-1-25) – PDF
• Not So Famous Americans 1947-61 (1-1-25) – Excel
• Not So Famous Americans 1947-61 (1-1-25) – PDF
• Overprints
• Overrun Countries
• Panama Pacific Exposition
• Perfins in Non-Denominational Stamps (5-2018)
• Personal Patterns
• Presidential (Prexie) – Excel (1-1-2025)
• Presidential (Prexie) – PDF (1-1-2025)
• Prominent American Series 1965-78 (1-1-25) – Excel
• Prominent American Series 1965-78 (1-1-25) – PDF
• Washington Bicents

Exhibits

• Perfins in the Postage Stamps of Cuba
• Perfins in the Stamps of Mexico
• Perfins of Austrian Levant
• Polarine Covers
• Swiss Perfin Exhibit
• U.S. Perfin Covers