Masonic LAPEL PIN G Member 50 Years F&AM Free Masons 10k Gold and Blue Enamel

Vintage 10k yellow gold 50 Year Member Screw Back pin. This pin features a gold border with blue enamel print reading Member 50 Years F&AM California around a blue enameled center with a square, compass and center G. This pin measures 9/16" (14.5mm). Stamped 10k but I do not have the means to test. Good Condition. Some tarnish. See photos. Item shown is item you will receive. Questions? Leave a comment below!