Society of Strip Illustration
The Society of Strip Illustration (SSI), later known as the Comics Creators Guild, was a British network for all those involved in any stage of the creative process of comics production. The SSI, which was co-founded in 1977 by Denis Gifford, met monthly in London, published a newsletter, and distributed annual awards for achievement in the field.
Source: Wikipedia — Society of Strip Illustration (CC BY-SA 4.0)