Dentistry on stamps.
Loevy
H T
HT
Kowitz
A
A
D000163:Acquired Immunodeficiency Syndrome / Q000150:complications / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009059:Mouth Diseases / Q000150:complications / Q000266:history*; D010678:Philately; D012496:San Marino; D015022:Yugoslavia