18" high by 19.5" wide. Two-colour (orange and black) fold out 18-panel brochure. Undated but appears to be of WWII vintage. Extremely informative with photos and details of dozens radio products offered by Marconi, ranging from desktop radios to console models. Products presented include the following models: 182; 180-A; 200; 181-A; 203; 201-A; 207; 208; 209; 202; 201; 206; Marconi Junior and Marconi Senior record players; 200-B; 200-A; 211; 210; 200-C; 215; 212; 193; 214; 213; 196; 194; 199. A marvelous item for the collector of vintage Marconi radios.