1. Philatelic 20/3/5 Reference (shelfmark): Philatelic 20/3/5 Title: Ewen Collection: Clogher Valley Railway Company Limited Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Clogher Valley Railway Company Limited. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.