Larry;
When I did my listing of various Fisher models and the prices I found for them, some were based on advertisements in magazines for audio products that were popular in the 1950s and 1960s, but I also found a number of prices in these various years of Allied Radio catalogs. The magazines allow one to see when a given model is introduced while the catalogs give some indication of what years the product was available, but not necessarily when they were introduced. Sometimes a dealer would have models in stock from prior years that just did not sell when first introduced, but were still available as a new item although often at reduced prices. It is fun to browse these catalogs today. It brings back good memories. I used to get my Allied, Burstine-Applebee, Lafayette, Olson or Radio Shack catalogs and spend an entire afternoon or evening looking through them and devouring the information.
Joe