A signboard device exhibiting information regarding roads, buildings or street
names is disclosed. The device includes a post having a plurality of fitting grooves
at its outer surface; a base joined to a concrete foundation, the base having a
post-seating stepped recesses comprised of two concentric recesses; a post cover
unit comprised a lower cover, a cylindrical intermediate cover and an upper cover;
a signboard unit comprised of a signboard frame assembly and a pair of signboards
attached to the stepped lines of the signboard frame assembly; and a stopper for
fixing the signboard frame assembly to the post. The device enables one or more
signboards to be easily installed on a post, and has excellent structural strength
and an adaptable appearance.