Large Art Nouveau Picture Frame Convex Glass Octagon Original Polychrome Barbola Flowers. (Barbola flowers are small, decorative models of flowers made from plastic paste that are used to decorate small objects like wood or glass). Pre-owned in very good condition for its age. No cracks or scratches on bubble glass. A few small chips of paint on the backside of the frame. Measurements : 17.5" x 12" Vintage / Antique 1920 Wood Gesso Paint Picture Frame Convex Bubble Glass