Description: gold and rhodium plated base metal, rhinestones
Marked: Pat 1649187
Reference: Patent is for the 'safety back device' on the screw mechanism, granted to P. Reiter November 1927. US Utility patents were in force for 17 years (Brunialti, American Costume Jewelry - Art and Industry (2008) Vol 1, p 11). Design and construction dates this to the mid 1930s.
Size: 1.125" x 1"
Price: US$275 ' - our 2017 SALE takes 20% OFF this price at checkout - see our Sales Policies (link below) for any shipping charges
Please quote Item # bug57 in your email