Light Fantastic Ltd.
From Tardis Wiki, the free Doctor Who reference
Light Fantastic Ltd. were a company specialising in lasers, holography, special effects, illusion and plasma lights.
In 1988 they released a set of seven Doctor Who themed 'holocards' measuring 6" x 4" unframed (or 7" x 5" framed).
The cards featured 3D holograms of Doctor Who images integrated with 2D graphics and included;
Light Fantastic Ltd also hosted an exhibition at the Trocadero Centre, Piccadilly London for which Doctor Who Magazine offered a 50p discount coupon (DWM 137).