Vintage Style Seaside Travel Art Poster Print by John Dyer. Low Tide, St Michael's Mount CornwallSt Michael's Mount fine art wall poster print by Cornish artist John Dyer. This stunning art poster print features the work of John Dyer and his picture of low tide at St Michael's Mount as people walk across the causeway. Stunning use of colour and the highest quality paper and printing combine to create a stunning art print of Cornwall's most visited location by Cornwall's best know artist. Available unframed or framed and ready to hang in your