This was one of a lot of old filters I bought for a craft project. It's brand new and free to you - I just need an address.
I just sent you a PM.
Dennis
Just for information, Series filters are threadless and had a retaining ring that was threaded. There were various adapter rings for fitting larger filters to smaller optics.
A Series V filter had these dimensions:
Filter Dia (inch/mm) Adapter Dia (in/mm) Lens Dia (mm)
Series V / 5 1 3/16 30.2 1 5/16 33.3 19 – 30
https://www.apotelyt.com/photo-accessory/series-filters is a succinct description of Series filters and has a list of sizes. It warns that many Series filter adapters have a different thread pitch than modern lens threads and are not compatible.
Series filters permitted a photographer to have a filter set that could fit several different lenses, often by purchasing the largest size needed and using step-down adapters to their other lenses or cameras.
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