According to Marcel Erdal, the letter does not hail from Kiev but was sent to Kiev.
The Scarlet Letter | Dear John letter | White-letter Hairstreak | Letter-winged Kite | Letter of Majesty | National Letter of Intent | letter | National Association of Letter Carriers | Chi (letter) | Beta (letter) | Barons' Letter, 1301 | The Johns Hopkins News-Letter | Strawberry Letter 23 | My Letter to George | Moe Letter Blues | Loudermill letter | letter (message) | Letter from an Unknown Woman | Letter bomb | Hazing in Greek letter organizations | Habbush letter | Einstein–Szilárd letter | Delta (letter) | Dead Letter Circus | Chrysler 300 letter series | Canuck letter | American Letter Mail Company | Alpha (letter) | Zinoviev letter | Vav (letter) |