A 1940s evening gown, this is a rare piece by Bianca Gusmaroli, a Canadian couturier. There are probably not too many examples of Bianca Gusmaroli's work that have managed to survive, so this is really a collector's piece, deserving of museum display. The gown is made of champagne gold colored silk in an off-the-shoulder style. It has a sweetheart neckline, with the right side crossing over the left front, the separation accented down the line with mustard tan colored velvet ribboning. The…