Short answers, pulled from the story.
Havhingsten fra Glendalough, known in English as the Sea Stallion from Glendalough, is a full-sized reconstruction of Skuldelev 2, the second-largest Viking longship ever found. The original vessel was built around 1042 near Dublin, using oak from Glendalough in County Wicklow, Ireland. The reconstruction was completed in 2004 at the Viking Ship Museum shipyard in Roskilde, Denmark.
The original longship was built in the vicinity of Dublin around 1042. Its timber came from Glendalough in County Wicklow, Ireland, which is also the source of the ship's name.
The Sea Stallion can be rowed by a crew of 60 and carries a sail of 112 square metres. The ship was designed as a war vessel built to transport many warriors at high speed.
The Sea Stallion left Roskilde Harbour on the 1st of July 2007 and arrived in Dublin on the 14th of August 2007. The Viking Ship Museum described the voyage as the most ambitious archaeological experiment it had ever carried out.
The Sea Stallion was displayed at Collins Barracks, the Decorative Arts and History building of the National Museum of Ireland, from the 17th of August 2007 until the 29th of May 2008.
Yes. Shortly after the Sea Stallion departed Dublin for its return journey in 2008, the National Bank of Denmark issued a 20-kroner commemorative coin to celebrate the event.