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On 5 May 1995, Canada Post issued the 'Fortress of Louisbourg' series to mark the 275th anniversary of the official founding of the fortress, the 250th anniversary of the siege by the New Englanders, the 100th anniversary of the commemoration by the Society of Colonial Wars, and the 100th anniversary of the arrival of the Sydney and Louisburg Railway (S &amp; L). The Fortress of Louisbourg series includes: 'The Harbour and Dauphin Gate', '18th Century Louisbourg'; 'The King's Bastion'; 'The King's Garden, Convent, Hospital, and British Barracks' and 'The Fortifications and Ruins Fronting the Sea and Rochfort Point' The 43¢ stamps were designed by Rolf P. Harder.