PARAGUAY (1969) Swimmer*. Imperforate with MUESTRA (specimen) overprint. Mexico Olympics. Scott No 1135, Yvert No 1000.
AVAILABLE AT $20
GERMANY (1988) Diving (computer image)*. MUSTER (Specimen) overprint. Scott No B665, Yvert No 1187.
AVAILABLE AT $15
GERMANY (1990) Water polo*. Scott No 9NB277. Yvert No 825. "MUSTER" (Specimen) overprint. **.
AVAILABLE AT $20
JAPAN (1961) Diver*. Tokyo Olympics issue corner block of 4 overprinted MIHON (specimen). Scott No B14, Yvert No 691. Japanese specimens were not permitted to be sold in multiples.
AVAILABLE AT $75
GERMANY (Berlin) (1986) Swimmers*. Overprinted MUSTER (specimen). Scott No 9NB232, Yvert No 712.
AVAILABLE AT $15