PHILIPPINES (1979) Carlos Romulo*. Set of 2 overprinted SPECIMEN. Scott Nos 1385-6.
AVAILABLE AT $10
PARAGUAY (1964) U Thant*. MUESTRA (specimen) overprint. Scott No 834.
AVAILABLE AT $10
PARAGUAY (1964) U Thant*. Imperforate with MUESTRA (specimen) overprint. Scott No 834.
AVAILABLE AT $15
NICARAGUA (1954) Symbols of the UN. Set of 7 overprinted SPECIMEN and printed in different color than issued stamp. Scott Nos C339-45.
AVAILABLE AT $200
GERMANY (1998) NATO symbol*. Overprinted MUSTER (specimen). 50th anniversary. Scott No 2032, Yvert No 1871.
AVAILABLE AT $15