{{ I have a painting with a crest in it that I would like to learn the surname. }}

The crest is the bit on top of the helmet and is very difficult to interpret. Can you supply a close-up of the arms so that we might have a better idea what the crest might be? Without closer examination, they (the arms, not the crest) might possibly belong to an armiger with the surname of MICHELSTON/MICHELSTONE/MYCHILSTAN.