National Forest route 558 highway road sign 1990s USFS white on brown

Description

24 by 24 inch National Forest Route 558 highway sign.  the sign dates to approximately the 1980s or 1990s.  it is made to the specification that has been in use across all national forests in the US since the 1970s or so.
condition is as shown in the photos.  sign is brown screen print on white reflective sheeting on aluminum.  it lies completely straight and flat, with patina commensurate with its service.
signs guaranteed old, original, authentic.  bid with confidence.