celestions first hifi speaker in 1950 was the colaudio, 12" polystyrene cone ,triple suspension ,cast frame,alnico magnet model t557, together with a 6" midrange foam covered closed back model t3989, and tweeter t341 predecessor to the hf1300 I think , complete set (stereo) and relative to the lack of info found on these I think quite rare, comes with 3 way crossover as shown and lovely old oil filled tweeter supply capacitors ,boxes are not worth mentioning but will give them to successful buyer but would have to be picked up otherwise I should be be able to package the drivers to freight at buyers expense , note the 12" driver shown has a few bumps in the very large dustcap across the cone, I have been using these so I know all drivers are in good working order