Below you can find logos, similar to the Landor 91.

DuPont 191 DuPont 191 vector
OGP 91 OGP 91 vector
Chamber of Commerce 191 Chamber of Commerce 191 vector
Lion Line 91 Lion Line 91 vector
Grundig 91 Grundig 91 vector
Bryant 291 Bryant 291 vector
Titarelli 1915 Titarelli 1915 vector
Junior Achievement 91 Junior Achievement 91 vector
Firestone 91 Firestone 91 vector
Quiksilver 91 Quiksilver 91 vector
Ideanet 91 Ideanet 91 vector
Sibexpocentre 91 Sibexpocentre 91 vector
Montana 91 Montana 91 vector
Pilot 91 Pilot 91 vector
Abel & Baker 291 Abel & Baker 291 vector