1950, Saudi Arabia (United Kingdoms). Beautiful Gold Guinea (Pound) Coin. UNC+ Reference: KM-36. Mint Place: Mecca Condition: Uncirculated! Mint Year: 1950 (AH 1370) Denomination: Gold Guinea (Pound) Material: Gold (.917) Diameter: 22mm Weight: 7.99gm em>. Saudi Arabia, officially known as the Kingdom of Saudi Arabia, is the largest Arab state in Western Asia by land area (approximately 2, ...