Y’know summat?
Whenever I’m lucky enough to find one of these Olde Worlde stores I just love a good mooch around.
Some of the stuff found in these places is no longer manufactured…I actually found blotting paper last year in a place in Doncaster, Yorks.
And the added bonus was a thingy that the paper wrapped around in a semi-circle
Tiny nut-and-bolt assemblies are used to hold the lenses on some rimless (drill-mount) eyeglasses.
An eyeglass/sunglass place will have something that fits.
(cough cough) That would be a “blotter”. 