There is a Harry W. Newman on askart with an exact signature match, I'm not sure it's correctly identified though. http://www.askart.com/AskART/artists/search/Search_Repeat.aspx?searchtype=IMAGES&artist=103099 And at least one of these is a match at liveauctioneers. https://www.liveauctioneers.com/sea...e=gallery&hasimage=true&type=complete&rows=40