Up for sale here is this vintage 1956 Clarostat 1 meg potentiometer. I do not know if this is a linear or audio taper pot. This measures around 1.024 meg ohms, so extremely close. It has a short 1/4" round shaft, so any standard 1/4" knob should fit it. This is guaranteed to work great for you, though it may need some Deoxit. The terminals have a little vintage solder and wire bits on them. This is a pretty rare potentiometer and would be great on your guitar or amp. Please see my pictures for details.

US shipping and handling is $5, and international is $18, no matter what quantity you buy. All of my small parts are set up for combined shipping--just use the "add to cart" feature and then check out at once, and the shipping will be automatically discounted.

I have a number of other vintage parts, collectibles, Magic cards, and vintage electronics listed--feel free to take a look!