Very rare pair of two Porceleyne Fles Royal Delft wall plates Comet of Halley. The one from 1910 113 years old! Has a diameter 10 inches (25 cm), t. He one from 1986 (the last time the comet passed). Has a diameter of 7.3.
Very good condition: no chips, cracks or repairs. Only a little age crazing, see pictures.