A pair of Vienna porcelain cabinet plates, early 20th century, Ackermann & Fritze, each with figural scenes of muses, to a cobalt and gilt surround, signed 'J. Heer', mark to base, 24cm diameter (2) Each plate has a layer of thick black residue around the border of the base and yellow tape in a cross over the base from when the lot was previously displayed affixed to a wall. Otherwise good overall condition.