403 in Phase IIa with the larger, wider lettering at Council Bluffs, IA on 9 Apr 2005 By: Erik Rasmussen
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403 showing the distinctively larger text, placed closer to the rear of Phase IIa. By: Joe Atkinson
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The more standard 12" Helvetica text of Phase IIb, nearly centered on the long hood. By: Michael Petersen
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403 in Phase IIa with the larger, wider lettering at Council Bluffs, IA on 9 Apr 2005
403 showing the distinctively larger text, placed closer to the rear of Phase IIa.
IAIS 479 in Phase IIb Altoona, IA on 1 Apr 1993
The more standard 12" Helvetica text of Phase IIb, nearly centered on the long hood.