One evening, over 60 suppliers, wine and canapes, magicians, candy store and more...... After two editions of SHOWCASE in the City, we are returning to the West End to the gorgeous Sheraton Grand Park Lane Hotel.  Their beautiful art deco ballroom, which has recently been refurbished, is the setting for the exhibition. This is the fourth of our exhibitions with everything you need for the perfect event: venues large and small, ancient and new, in London and outside, entertainment, food…