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Desc: 1/2pi
Currency: Saudi riyal (20pi) (20pia=20pi=1r) Numerical sorting value: 30 Users of this denom: Saudi Arabia (6 stamps, 1960-1963) Used by 6 stamps of Saudi Arabia: (See all uses as list) 1960 1/2pi ltbrn&org issue=1960a d=Wadi Hanifa dam & cartouche Saud 1960 1/2pi issue=1960b d=gas-oil plant & cartouche Saud 1963 1/2pi issue=1963a wmk=crossed swords & palm tree 1963 1/2pi issue=1963a wmk=crossed swords & palm tree 1963 1/2pi issue=1963b wmk=crossed swords & palm tree 1963 1/2pi issue=1963b wmk=crossed swords & palm tree All are perf=serrate roulette 13 |