1933, First Flight Bahrain-Alor Star: Cover franked with India KGV. 1a, 3a and 3a6p all ovptd BAHRAIN (SG 4, 7, 8) tied by ''BAHRAIN 12 DEC.33'' cds, with Penang transit cds (18 DE 33) and Alorstar, Kedah arrival cds (19 DE 33) on back, fine.