Material documenting Rothholz's work for J Lyons & Co's restaurant and catering businesses, namely Grill & Cheese, Bacon & Egg, Restful Tray and Chicken Fayre restaurants, and Frood frozen foods (an early form of ready meals). The material has been grouped as follows:
1) Photographs (75 pieces)
1 b/w photograph of a mural in an unidentified cafe, featuring London scenes and bearing the mark of Rothholz's Design Unit.
9 b/w photographs of the interior of the Grill & Cheese restaurant at the Coventry Street Corner House, London.
18 large and 13 small b/w photographs of murals designed by Rothholz at the Grill & Cheese, Coventry Street
1 b/w photograph of a window display for Grill & Cheese
4 b/w photographs of Grill & Cheese promotional material - a menu, a printed "napkin" and a badge
1 b/w photograph of a Grill & Cheese badge on a chef's jacket
11 b/w photographs of murals at Chicken Fayre (identified by reference to postcard listed below)
3 b/w photos (1 of them mounted) of display artwork for Bacon & Egg, Strand Corner House, London
3 b/w photographs of display promoting Bacon & Egg restaurant, 2nd floor, Strand Corner House (where display appears to be located). Note the clock with the hours marked by the pig/egg logo.
2 b/w photographs of murals at the Wimpy restaurant, Coventry Street Corner House, featuring the Banana Pretty and the Whippsy.
1 b/w photo of a mural 'Reserved for Lyons Tea' at an unidentified location
1 b/w photo of 'M Alexandre Douharet, chef at the Cumberland Hotel', and 3 b/w photographs of a 'Lyons Nippy' waitress. One of each print bears the label of J Lyons publicity department.
2 b/w photographs of HAR, no date but probably 1950s.
2 copies of a postcard produced by Maison Lyons showing the interiors of the restaurants Chicken Fayre, Star Grill, Restful Tray, Bacon & Egg and Grill & Cheese.
2) Promotional material (17 pieces)
2 copies of a stand-up table-top display card advertising the Bacon & Egg and Grill & Cheese restaurant openings
Proof of an invitation to a Bacon & Egg opening, 1 Feb 
Box containing mounted Grill & Cheese staff badge and Bacon & Egg pig and egg medallion shape, as used in the clock in the photo mentioned above.
A separate Grill & Cheese badge.
Grill & Cheese menus for the restaurant at Maison Lyons, Marble Arch
Bacon & Egg menus for five locations, with 2 fragments of menus.
Paper "napkin" for Grill & Cheese
Promotional card for new Wimpy restaurant
Printed leaflet for Frood frozen ready meals, and small card bearing the Frood logo
3) Artwork (2 pieces)
Two pieces of unidentified artwork, possibly for murals, showing food and drink.
With HAR's original folder marked 'Bacon & E / Grill & Ch / Cfe Lyons' (1 piece)