RED COW – Japanese Ema votive wooden plaque Edo period

‘Ema’ (lit.‘Horse picture’) as wooden wishing plaque dedicated to Shinto shrine by the worshipper.
Rare motif and rare find of such refined folksy cow painting. 19th century. Total: approx. 20 x 14.5 x 1cm (7.87 x 5.70 x 0.39in)