My grandpa's diatonic Hohner button #accordion. I would guess it's from the 1950s. I take it out from time to time and play "Popeye the Sailor Man" very badly on it.
#Stereoscopic #stereoskopie #3Dfotografie #stéréoscopie #StereoPhoto #StereoPhotography #anaglyph

Same, black and white anaglyph

Same, color anaglyph

A Hohner folk accordion made of light colored wood. Four buttons on the right are for chords; ten on the left for melody.