, 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" /> cover 1942 (16 May) Official envelope from the Head Postmaster, Ipoh containing an<I> "Official Memorandum"</I>, 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 | Christie's