Advertising Poster Rootes Group Car Automobile Manufacturing Humber Hillman Sunbeam Thruppe Maberly Commer Karrier. Original vintage advertising poster � 5,000,000 square feet of Productive Area for Products of the Rootes Group � Humber � Hillman � Sunbeam � Thrupp & Maberly � Commer � Karrier � featuring a great industrial image of various office and factory buildings and manufacturing plants. The Rootes Group was a British automobile manufacturer and motor distributor, the group was founded in 1913, it was acquired by Chrysler in 1967 and dissolved in 1971. Horizontal. Printed for the Export Division of Rootes Group London by the Haycock Press in England. Good condition, creasing, tears, minor staining. Country of issue: UK, designer: Edgar Longman, size (cm): 75x102, year of printing: 1930s.