Was asking around some friends trying to locate a rear mount for the Malcolm rifle scope I got at our August gun show here. A friend said he thought he had a mount, but it was attached to a similar scope. Turned out to be another Malcolm telescope, but in nice enough condition I couldn't steal the mount off it for the first one!
So now I've got a good complete Wm. Malcolm scope, but still need a similar mount for the first one! I hope I don't end up buying more Malcolm scopes, and still not getting a mount for the first one!!

First one is made for a Stevens or Wesson wire framed pistol. Front mount fits over the barrel, and rear is just the block now, as it needs the base with elevation and windage.

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Second is a dovetail mount front and rear.

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It has this base, which would also work for the first one:

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If I was skilled like a few of our talented members, I"d copy this base!

More photos of the rear scope ring ...

Very cool Joe! It appears yours is a bit newer version than mine maybe? The elevation adjustment knob looks to be the later style.

At first it looks complicated but there are a number of parts that fit together to make the whole assembly.  Give it a try!  David