Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: SM-135. A Single Compartment shaving mug. Circa 1930. Produced from slag glass. Purple and white swirled glass customarily made of left over glass at day's end. Manufacturer: Unknown. Type: Home-Single Country: Unknown Patent: Original single compartment shaving mugs were not patented. Later some were patented. Check SM-165 on my web site. Comment: This shaving mug exemplifies the classic single Compartment mug in size and style. It provides a colourful presentation. Source: Les Oliver Editors: