1. Philatelic 20/28/5 Reference (shelfmark): Philatelic 20/28/5 Title: Ewen Collection: Rhondda and Swansea Bay Railway Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Rhondda and Swansea Bay Railway. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.