John Constable Self Portrait London Portrait Gallery Postcard

NPGBA* - This is an undated but modern rare collectors postcard from the National Portrait Gallery in London of this painting of John Constable  that was originally painted by the artist himself as a self portrait and the postcard appearing an official souvenir when the work on display at the National Portrait Gallery with the London gallery having its large famous logo on reverse together with details of the original artist of the work and its canvas size when exhibited unused and mint (same as brand new).  A prestigious rarely found specialist souvenir for any John Constable collector.