Just spotted your image of Matthewstown passage grave, Ocifant. I thought it was a bloody hunebed! It reminded me exactly of D41 at Emmermeer!
see: http://www.janetomlinson.com/hunebeddenimages/D41Emmermeer.jpg
I can see the similarity! I took mine from a slightly different angle from Fw's picture. Maybe he could comment? I'm no expert on Tombs.
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