JAPAN (1978) Abstract by Taro*. 23rd International Ophthalmological Congress, overprinted MIHON (specimen). Scott No 1325, Yvert No 1255. Scarce!
AVAILABLE AT $20
JAPAN (1979) Woman*. Fetus*. 9th World Congress on Obstetrics & Gynecology, overprinted MIHON (specimen). Scott No 1386, Yvert No 1310. Hard to find!
AVAILABLE AT $15
JAPAN (1981) Brain*. Globe*. 12th Neurology, 10th Brainwaves & 1981 Epilepsy Conference, overprinted MIHON (specimen). Scott No 1478, Yvert No 1387. Nice!
AVAILABLE AT $15
PANAMA (1942) St. Tomas hospital*. Issue overprinted "Specimen" in red box. These stamps were a special order for government display. Only 20 copies exist, four of which were kept by the Panama government. Every stamp was signed on the back by Sanabria and Kessler. Very rare!
AVAILABLE AT $475
NICARAGUA (1947) Tipitapa spa. Overprinted SPECIMEN and printed in different color than issued stamp. Scott No CO42.
AVAILABLE AT $40
JAPAN (1978) Femur*. Pelvis*. Specimen (MIHON) overprint. 50th anniversary of Society of Orthopaedic Surgeons. Scott No 1349. Nice!
AVAILABLE AT $15
GERMANY (1989) Cécile Vogt*. MUSTER (Specimen) overprint. Neurologist. Scott No 1487, Yvert No 1264.
AVAILABLE AT $15
GERMANY (2000) Albert Schweitzer*. Overprinted MUSTER (specimen). Scott No 2065, Yvert No 1921.
AVAILABLE AT $20
GERMANY (2001) Hand*. Chest*. Abdomen*. Head*. Health issue minisheet of 4 overprinted MUSTER (specimen). Scott No 2131.
AVAILABLE AT $60
NORTH KOREA (1989) Surgeon*. Ambulance*. Specimen pair. KSC No 2907, Michel No 3034.
AVAILABLE AT $15
BOLIVIA (1995) Pasteur*. Dogs*. Stamps*. Imperforate S/S marked "MUESTRA". Not listed in catalog, possibly issued at Philatelic Exhibition.
AVAILABLE AT $15
JAPAN (1965) Drop of blood*. Bloodmobile*. Donate blood issue overprinted MIHON (specimen). Scott No 847, Yvert No 809.
AVAILABLE AT $15
JAPAN (1965) Infant*. 8th Conference on Otorhinolaryngology, 11th Congress of Pediatrics issue, overprinted MIHON (specimen). Scott No 854, Yvert No 816.
AVAILABLE AT $15
JAPAN (1966) Roentgen rays*. Cancer campaign issue overprinted MIHON (specimen). Scott No B33, Yvert No 855.
AVAILABLE AT $15
JAPAN (1974) Globe*. Bottle of blood*. Blood donation issue overprinted MIHON (specimen). Scott No 1174, Yvert No 1114.
AVAILABLE AT $15
JAPAN (1979) Vessels*. Plane*. Microscope*. Quarantine system issue overprinted MIHON (specimen). Scott No 1369, Yvert No 1297.
AVAILABLE AT $15
GERMANY (1981) Elly Heuss-Knapp*. Home for Rest & Recuperation of mothers. Specimen (overprinted MUSTER). Scott No 1341, Yvert No 914.
AVAILABLE AT $12
GERMANY (1982) Hand*. Medical exam of leper*. Scott No 1377. Yvert No 978. 20th anniversary of German Leper Organization. "MUSTER" (Specimen) Overprint. **.
AVAILABLE AT $20
JAPAN (1982) Noh mask*. Dermatology Conference*. Overprinted MIHON (specimen). Scott No 1492, Yvert No 1413.
AVAILABLE AT $15
JAPAN (1993) Heart*. Clouds*. World Federation for Mental Health issue overprinted MIHON (specimen). Scott No 2208, Yvert No 2054.
AVAILABLE AT $15
JAPAN (1994) Insulin crystals*. Diabetes Congress issue overprinted MIHON (specimen). Scott No 2433.
AVAILABLE AT $15
NORTH KOREA (2008) Heo Jun (16th century doctor who developed herbal cures). Minisheet of 9 specimens. Scott No 4735.
AVAILABLE AT $45