I have had this little item since the 1960's: Egypt 50 Piastres 1930 (AH 1349) Gold, 20mm, 4.25gm, Krause World Coins KM-353 About the size of a US $2-1/2 gold piece This nice little item came recently. Egypt 100 Piastres 1922 (AH 1340) Gold, 24mm, 8.48gm, Krause World Coins KM-341 About the size of a US $5 gold piece King Fuad was King of Egypt from 1922 to 1936, and was the father of the more famous King Farouk. From King Farouk's Memoirs, Al Arabiya News: One of the characteristics that Farouk did acquire was his father’s love of practical jokes. Fuad would sometimes humor himself by placing a gold coin in a bucket of clear acid and watching unsuspecting servants scream in agony from the resulting acid burns after trying to retrieve its contents, according to Roger Owen, a Middle East history professor at Harvard University. Fortunately, gold is impervious to most acids. King Fuad was not the most famous Egyptian king in 1922 as that honor belonged to the Pharoah Tutankhamun or "King Tut" whose tomb was discovered that year.