From first owner: Audiomedia II NuBus audio card from DigiDesign (became later part of Avid). Very good condition and clean from a non-smoker, pet free environment. See unretouched photos for the state of the card - no damages or scratches whatsoever. Occasion for those still running old Macs (Power PC).
added: just found the original DigiDesign floppy disk with drivers. Loads fine in a floppy drive and would be included.