ST. VINCENT (1978) Wright brothers*. Set of 4 overprinted SPECIMEN. Scott Nos 537-40, Yvert Nos 522-5.
AVAILABLE AT $15
MONTSERRAT (1981) Planes*. Set of 4 overprinted SPECIMEN. Scott Nos 472-5, Yvert Nos 472-5.
AVAILABLE AT $15
ST. KITTS (1983) Aviation bicentennial*. Set of 4 overprinted SPECIMEN. Scott Nos 123-6.
AVAILABLE AT $15
NICARAGUA (1954) Sabre jet. Overprinted SPECIMEN and printed in different color than issued stamp. Scott No 786.
AVAILABLE AT $40
NICARAGUA (1954) Captain Dean L. Ray, USAF. Overprinted SPECIMEN and printed in different color than issued stamp. Scott No C346.
AVAILABLE AT $40
NORTHERN CYPRUS (1978) Jet*. Corner block of 4 overprinted ORNEK (specimen). Scott No 59.
AVAILABLE AT $15
PARAGUAY (1984) Dorner DO J Wal seaplane. Sheetlet of 5 with labels overprinted MUESTRA. Scott No C572.
AVAILABLE AT $25
SPAIN (1930) Ignacio Jimenes*. Francisco Iglesias*. Plane*. Map of South America*. MUESTRA overprint. Scott No C55, Yvert No PA81.
AVAILABLE AT $30
(Image b)
AVAILABLE AT $25
GERMANY (1979) Various planes*. Set of 4 overprinted MUSTER (specimen). Scott Nos B558-61, Yvert Nos 850-3.
AVAILABLE AT $40
GERMANY (Berlin) (1980) Various planes*. Set of 4 overprinted MUSTER (specimen). Scott Nos 9NB164-7, Yvert Nos 578-81.
AVAILABLE AT $40
GERMANY (1981) Gliding*. Scott No B588. Yvert No 927. "MUSTER" (Specimen) overprint.
AVAILABLE AT $15
GERMANY (1982) Frankfurt airport*. Specimen (overprinted MUSTER). Scott No 1190, Yvert No 973.
AVAILABLE AT $15
GERMANY (1989) Berlin Airlift*. Specimen (overprinted MUSTER). Scott No 9N575, Yvert No 803.
AVAILABLE AT $12