Looking for 2.8/3.5E focus knob cover

[Bobde1234]

I’m wondering if anyone has a focus knob cover thy might be willing to part with. I’d like to replace my 2.8E uncoupled meter that sits on the end of the focus knob with the simple cover that has the asa reminder. I think the part may in fact be the disk itself, and a bezel that has 3 screws which press the bezel into the diameter of the focus knob. I haven’t seen these parts in person, and if anyone can describe it better I’d be most appreciative. Thanks,
Bob

 

[kodachrome25]

For anyone in this predicament, a cheap substitute I discovered is the black plastic cap from an Ilford 35mm film canister which fits snugly onto the focus knob cavity