I have checked the master list by Renaissance Discs here in UK,
they do make both these sizes of discs.  You might like to ask
for their list.

  Lester Jones
  16 Penny Lane
  Emsworth
  Hants
  PO10  8HE
  United Kingdom
  tel.: 01243-372646

I have 500 original discs here but none of this make.  I hope
this helps.

Kevin McElhone, UK