NORTH KOREA (1976) Telephone centenary*. Set of 6 + S/S overprinted SPECIMEN. KSC Nos 1504-10.
AVAILABLE AT $55
JAPAN (1965) Telephone dial*. Old-fashioned operators*. 75th anniversary of Japanese telephone service, overprinted MIHON (specimen). Scott No 859, Yvert No 821. Hard to find!
AVAILABLE AT $15
GERMANY (1998) Ear*. Overprinted MUSTER (specimen). Telephone help lines for people in distress. Scott No 2020, Yvert No 1853.
AVAILABLE AT $20
GERMANY (2001) Telephone*. Phone number*. Overprinted MUSTER (specimen). Youth Helpline Foundation. Scott No 2109.
AVAILABLE AT $15