in black ink with initials deleted and "Bidor, 17-4-12" in blue ink, fine. Extremely rare. Photo" /> cover 1942 (17 Apr.) envelope from Bidor to Menglembu showing manuscript<I> "Postage Paid 15 cents"</I> in black ink with initials deleted and<I> "Bidor, 17-4-12"</I> in blue ink, fine. Extremely rare. Photo | Christie's