Large circular stoneware bowl with mottled green and grey glaze.Royal Doulton circular bowl with unique Titanian glaze of mottled green and grey. Titanian ware was developed using titanium oxide which resulted in a wide range of grey to blue colors. This experiment was launched by Charles Noke in 1915 with production lasting into the 1920's, making the piece relatively rare due to its fragility and short production. Model 7562. Royal Doulton Titanian backstamp. Artist: UnknownIssued: c. 1920Dimensions: 10.75"HManufacturer: Royal DoultonProvenance: Alan SetainCountry of Origin: England Condition: Good; consistent with age. Minor scratches. Chip and hairline cracks to base.