U.S.A. (1976) Piano*. Coil pair with image displacement causing part of the inscription to appear at the top. Scott No 1615C.
AVAILABLE AT $15
U.S.A. (1976) Piano*. Coil strip of 4 imperf between stamps 2-3. Scott No 1615Ce.
AVAILABLE AT $25
U.S.A. (1976) Piano*. Coil pair partially imperf between (1 pinhole). Scott No 1615Ce.
AVAILABLE AT $20
ALLEMAGNE (1993) Différentes phases de la fabrication de la volute* d'un violin*. Misperforation resultig in part of left border missing. Yvert No 1519. Scott No 1808. 250ème anniversaire de la mort du luthier Mathias Klotz.
AVAILABLE AT $20
CUBA (2014) Guitars. Misperforated block of 4. Scott No 5542. Leo Brouwer anniversary.
AVAILABLE AT $100