Antique Dutch Blue & White Royal Delft Royal Birth Plate Princess Juliana - 1909

The tin glazed earthenware plate commemorating the birth of the Crown Princess Juliana, The later Queen.  The center decorated in shades of blue with the flowering Tree of Orange and the Dutch Lion holding a flag with “ORANJE UP” (Orange Above.) within the fence above JULIANA. (N.B.  Orange = The Royal Family)
The birth of the crown princess Juliana. The later Queen 1948-1980. The border with floral swags and the text:
Geboren - 30 April - 1909 (= Born)
Signed on the back in underglaze blue for:
DE PORCELEYNE FLES - ROYAL DELFT
DELFT - HOLLAND  &  1909
Painter: VH = Gijsbertus van Heijenoort.
Employment dates: Nov.16th 1891 - 1940.
Literature:
This item is shown in Rick Erickson - Royal Delft Page 126 - Fig.11-03. This was the first commemorative plate in general production.

Diam.: 25,3 cm.  (10 inches.)
Weight: 559 grams.