Macodirect is selling a box containing 10 Agfa APX 100 65x90x1,5mm glass
plates. It looks a bit expensive IMO, but it could be an interesting option
to use the Rollei Plate Adapter or a 6,5x9cm camera like the Voigtländer
Bergheil:
https://www.macodirect.de/en/rarities/1092/agfa-apx-100-glass-plates-exp.-date-09/2017?c=618
Carlos