cover 1942 (16 May) Official envelope from the Head Postmaster, Ipoh containing an "Official Memorandum", no postal markings, and 1942 (20 May) envelope from Ipoh to Penang bearing Pahang 8c. handstamped in black tied by "PERAK YUBIN KYOKU/IPOH" JD1 h.s. with manuscript date inserted and showing, on reverse, arrival c.d.s. and red Censor chop