^Lot 311 Piedmont Aviation, Inc. Production Model, Specimen

NC. 1979. 3 different certificates. 1) Unique approval model proof or mockup of $ odd, -% Convertible Registered Bond with blue border. Vignette of allegorical woman with wires and 2 globes. 2) Proof of the same certificate design in red printed on light brown paper without bond specifics. 3) Specimen stock for Odd shs of common stock with blue border used by production department and with archival notations. 4) Miscellaneous correspondence (6 items). SC-USBNC. Choice group.