Vintage 10K Gold Fraternal Pythian Sisters Knights of Pythias Pin Brooch...marked 10k on the back with only part still visible but it tests as such...it measures about 3/4” across...it weighs about 1.6 grams...in good condition...original pin back with safety that is a little bent but does not affect the look or integrity of the pin...a great little 10k gold fraternal pin!