Murano Glass Black and White Sconces 1970s - a Pair

Large square Mid Century Modern pair of sconces, attributed to AV Mazzega, Italy 1970s. The pair of vintage sconces are made of an asymmetrical square frosted clear Murano glass with a handmade black paint decor; like an abstract painting. Each sconce is unique. The large piece of glass has a vertical tiny lines grid inside and is soft outside. The Murano glass sconces have brass fittings, and two lights each. The pair of large Italian sconces is professionally rewired for the US. The pair of M