RUSSIA (1930) Radio guide*. Clock*. Postal card (O) with illustrated advertising "Radio Listener's Guide to Moscow Radio Station Programs."
AVAILABLE AT $50
RUSSIA (1930) Radio. Clock. Illustrated postal propaganda card (O). Illustrated radio guide.
AVAILABLE AT $50
BELGIUM (1946) Radio tower* emitting radio waves*. 65 centimes postal card (N) with advertising Publibel No 628: "Midland's Radio."
AVAILABLE AT $15