I'm looking for 3 to 6 film sheaths for 9x12 film or Kodak single plate holders for 9x12 film with sheaths. Nothing too fancy, just be in ok condition and be light tight.
I've just checked and have 5 9x12 single sided metal plate holders which are ICA fit, paint's worn but light trap velvet is OK no deterioration..
Ica, Goerz, and Ernemann use plate holders with a "Double Lip", I've just checked and they fit a scrap Ernemann I have so they'll fit your ICA. I've no spare film inserts.
See below:
I hadn't tried to identify what I have so hadn't realised I could help you.