2 Mark German Reich dark cobalt blue with black typography overprint \"Gdansk\", variety \"double overprint\", horizontal pair from corner margin lower left with overprint HAN \"3374.20\", as a pair with HAN with the existing variety \"double overprint\" probably only a few pieces known, left stamp unused, the right stamp mint never hinged, unsigned, photo expertize Soecknick BPP (2016) : \"genuine and immaculate. \", by taking into consideration the normal stamp to the HAN with an additional charge from approximate 400 % added be the price for a house order number including variety on Euro 2.250.-+mint never hinged single stamp = 3.350.- plus