This poignant antique postcard captures a moment in maritime history, depicting a submarine that was tragically involved in a fatal explosion in Queenstown Harbour, Ireland. Dated 1905, the handwritten message on the reverse details the grim event of Submarine A5, which claimed lives and led to a solemn naval funeral. It serves as a tangible piece of history, offering a rare glimpse into a specific incident that impacted the community and the Royal Navy.