HONDURAS. Airmail. 1925. 1p. Yellow-Green (#C9), Block of Four
each having the 'Bruechig' stamp and pencil numbered 3,4,7 and 8 on reverse. With a Philatelic Foundation Certificate dated 12/17/2016 and stating 'It is Genuine, The Top Stamps Previously Hinged, The Bottom Stamps Never Hinged, The Stamps with Faint Toned Spots'.
***Only one sheet of 100 issued***