GERMANY (BERLIN) (1984) Centenary of electricity*. Specimen (overprinted MUSTER). Scott No 9N492, Yvert No 681.
AVAILABLE AT $15
JAPAN (1991) Stylized atoms*. Superconductivity Congress issue overprinted MIHON (specimen). Scott No 2115, Yvert No 1939.
AVAILABLE AT $20
GERMANY (1955) Oskar von Miller*. MUSTER (specimen) overprint. Electrical engineer who founded the Deutsches Museum. Scott No B348.
AVAILABLE AT $15
GERMANY (1966) Power transmission*. Set of 2 with MUSTER (specimen) overprint. Scott No 965-6.
AVAILABLE AT $30
GERMANY (1991) Power transmission line*. Muster (specimen) overprint on Centenary of 3-phase energy transmission issue. Scott No 1683, Yvert No 1389.
AVAILABLE AT $15
GERMANY (1993) Electric wiring*. MUSTER (specimen) overprint. Scott No 1774, Yvert No 1480. Centennial of Association of German Electrical Engineers].
AVAILABLE AT $15