'Grotesque Mask' a rare Bizarre mask designed by Ron Birks, covered in a Clouvre glaze with enamel red details, printed factory marks, minor professional restoration to lower rim, 28.5cm. high, (2)
The Barry Jones Collection of Clarice Cliff, Christie's South Kensington, 25th February 2000 lot 370
Private collection. sold with a copy of the Christie's auction catalogue.