Overview
The base features the printed Sphinx mark with 'Petrus Regout & Co / MAASTRICHT / HONG / MADE IN HOLLAND'. The presence of 'Petrus Regout & Co' alongside 'Made in Holland' firmly dates this piece between 1883 (when 'Made in Holland' began appearing on their wares) and 1899 (when the company was renamed N.V. De Sphinx).