1. Philatelic 20/22/4 Reference (shelfmark): Philatelic 20/22/4 Title: Ewen Collection: Neath and Brecon Railway Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Neath and Brecon Railway. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.