PARAGUAY (1965) Pope Paul VI*. Early Bird Satellite*. U Thant*. Lyndon Johnson*. Unisphere*. A. Fanfani*. Set of 8 imperforates in unissued colors overprinted MUESTRA. Scott Nos 903-10, Yvert Nos 818-22,PA417-9.
AVAILABLE AT $60
PARAGUAY (1964) Pope Paul VI*. Patriarch Atenagoras*. Imperforate with MUESTRA (specimen) overprint. Scott No 829.
AVAILABLE AT $15
PARAGUAY (1964) Pope Paul VI*. Patriarch Atenagoras*. MUESTRA (specimen) overprint. Scott No 829.
AVAILABLE AT $10
PARAGUAY (1964) Pope Paul VI*. Patriarch Atenagoras*. MUESTRA (specimen) overprint. Scott No 833.
AVAILABLE AT $10
PARAGUAY (1964) Pope Paul VI*. Patriarch Atenagoras*. Imperforate with MUESTRA (specimen) overprint. Scott No 833.
AVAILABLE AT $15
PARAGUAY (1968) Paul VI*. Madonna & Child by Tiepolo*. M/S of 2 overprinted MUESTRA. Scott No 1125.
AVAILABLE AT $30
GERMANY (1984) Pope Pius XII*. Specimen (overprinted MUSTER). Scott No 1423, Yvert No 1049.
AVAILABLE AT $12
GERMANY (1969) Pope John XXIII*. MUSTER (specimen) overprint. Scott No 1011.
AVAILABLE AT $15