EGYPT: Farouk, 1936-1952, AV 100 qirsh (8.44g), 1938/AH1357, KM-372, struck for the royal wedding, AU. The denomination is given as junayh wahid (one guinea) which is derived from the British Guinea coin, which had almost the same value of 100 piastres at the end of the 19th century.
Estimate: 500-550 USD