A unique and much-loved Isle of Wight museum dedicated to the famous saucy seaside postcards of Donald McGill is searching for a new location to secure its future. The Donald McGill Museum, currently housed alongside the Ryde District Heritage Centre on Union Street, Ryde, is looking for a new seaside-based venue or charitable organisation to take it on. Owner and founder James Bissell-Thomas says the attraction, which celebrates one of the Unit…