The Passer Block 2pi black on blue, red control band at top & bottom, used vertical bottom marginal BLOCK OF SIX. The bottom right hand stamp is set approximately 1mm lower than the left stamp, thus proving that it belongs to a separate block report. The largest recorded used multiple Note: Illustrated in Pulhan (1974) page 106 & Basaran (2007) page 60 Provenance: Passer, Brandt, Kuyas