Home / Forums / Vintage Melodicas / Photos of Vintage Hohner Piano 26s to Support My Review / Reply To: Photos of Vintage Hohner Piano 26s to Support My Review Reply To: Photos of Vintage Hohner Piano 26s to Support My Review February 2, 2015 at 1:51 pm #3990 LowboyParticipant Correction. It is hard to tell if this Piano 26 has a plastic or metal back plate. I took it apart about 6 months ago and think I remember it being metal. Not sure, but I think the back plate is metal. Lowboy