Antique WW1 RFC (Royal Flying Corps) Sweetheart Brooch.  Pre-RAF (Royal Air Force).  Hallmarked on the back of the emblem "Ryre 14k", on the back of one of the stylized wings "14k +W+", and on the pin moutning hardware "10k". The actual pin itself is not gold.  There are two gem stones mounted, which have not been tested but appear to be a diamond and a ruby.  Width of the brooch is approx. 2".  Total weight of the brooch is approx. 3.3 grams.  This item is used and is in good condition with light wear as shown.  Please be sure to examine photos carefully to satisfy yourself as to what you are purchasing and condition.