Vintage City of Chicago Cardstock PSA Transit Sign marine biological laboratory and a leather strap is

and a leather strap is missing

MM - C-6341 - 112123

manufactured by W

AB - 104118 - 122721

75" from mount

Vintage City of Chicago Cardstock PSA Transit Sign marine biological laboratory and a leather strap isc. 1980s Cardstock PSA poster released via Jane M. Byrne, former mayor of Chicago from 1979 1983. Byrne, the first female Chicago mayor, was a Democrat who championed inclusivity and environmental causes, hence the release of this poster created to be posted in train cars and on buses. Exhibits minor signs of wear including creasing and bends. 27. 5" W x 18" H Please refer to photos regarding condition. For more information regarding delivery of your