1943/44, three 'On Active Service' covers with different pmks. incl. 'N.Z.E.F. / N.Z.A.P.O. 150 / No. 3' or 'No. 4' and 'R.N.Z.A.F. / B / N.Z.A.P.O.' (19.6.44) with different censor markings and two of them with different advert. for 'New Zealand National patriotic Fund Board', additional a Field Service Post Card written 14.7.15 to Wellington with red boxed 'PASSED BY / (crown) / No. 2...86 / CENOSR', nice quartet!