Sinclair Oxford 200 calculator Designer (Person) Unknown Manufacturer Sinclair Date 1980 - 1989 (circa)
Letter Opener SS-20 calculator Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989 (circa)
Father Christmas melody calculator Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989 (circa)
Black calculator with blue and pink buttons Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989