Roscrea Brooch
... that the style of the 9th-century Celtic Roscrea Brooch was influenced by the artworks of Viking invaders?
... that the style of the 9th-century <a href="./Celtic_brooch" id="mwBzs" rel="mw:WikiLink" title="Celtic brooch">Celtic</a> <b id="mwBzw"><a href="./Roscrea_Brooch" id="mwBz0" rel="mw:WikiLink" title="Roscrea Brooch">Roscrea Brooch</a></b> was influenced by the artworks of <a href="./Vikings" id="mwBz4" rel="mw:WikiLink" title="Vikings">Viking</a> invaders?