I have a version 2 Small Stone but upon opening it up, I found that the circuit is the pre PCB V1 style one and the pot is dated 1976, the rear enclosure also doesn’t have a battery hatch. The obvious answer is that at some point in its life, someone just swapped the faceplate for a V2 one but out of interest, I wondered if anyone else had come across any other old EHX pedals like this? Or if there might have been a cross over period where the old boards were used with the the newly designed faceplate.