closeup of a 1938 stamp in concrete for the wpa program (works progress administration).

colburn works progress administration wpa stamp inprint impression concrete cement gray leaves old antique jerome arizona historic worn work great depression employment income hope numbers letters usa closeup 1938 program antique arizona cement colburn concrete depression employment gray historic hope impression income inprint jerome leaves letters numbers old stamp usa work administration worn wpa abstract background black closeup design detail dirty grunge inscription letter metal pattern sign stone street symbol texture textured type vintage wall weathered white history