Masonic 18K (top) & 10K (shank) Gold Enamel Signet Ring featuring symbols: 
 
Skull and Crossbones (rough symbol that stops you in your doings & dares you to understand it)
& Heart in Hand (symbolizes charity given from the heart) 
 
The front features 2 daggers behind a blue, red, white enameled flag with letters “I”, “F” and figure “00”
on black enamel background 
within white enamel border 
 
circa 1970’s 
 
Total item’s weight: 6.9gr.
Ring’s size: V