Los-Nr. 280

1938, Scholars 25 s. imperforated, two singles one with bottom sheet margin. one from the lower right corner, reconstructed as pair. The  horizontal marginal bar at the bottom margin shows that this is an archival proof, printed during the production of the postage stamps, in contrast to the imprimatur proofs, which were printed earlier without a marginal bar (see subsequent lot). This proof shows the difference between imprimatur proofs and archival proofs. One single is signed Nemvalz, very rare positional match to the imprimatur proof below, very fine