1941, PERAK STAMPS USED BY AUSTRALIAN FORCES: group of 3 airmail covers each with single franking 25 C 'Sultan Iskandar' (SG 115), comprising cds A.I.F. FIELD P.O. N°17, 23.AU.41 (allocated to SEREMBAN, Proud 150) on cover to Brisbane; A.I.F. FIELD P.O. N°18, 20.JE.41 (allocated to PORT DICKSON, Proud 150) on cover to Lindfield/N.S.W. and one cover with cds A.I.F. FIELD P.O. N°20, 7.OC.41 (allocated to AUSTR. GENERAL HOSPITAL MALACCA, Proud 200) addressed to Launceston Tasmania. Envelopes with some traces of usage otherwise fine condition. Scarce group!