It is fully marked on the base with the Royal Worcester stamp, which I believe dates it to 1901.
Antique Royal Worcester Blush Ivory Porcelain Miniature Trinket Box 1903/05
ANTIQUE ROYAL WORCESTER BLUSH IVORY RAISED LEAF SMALL PORCELAIN VASE GOLD RIM
Royal Worcester Blush Ivory Vase & Cover By Edward Raby, Circa 1894
ANTIQUE 1897 ROYAL WORCESTER BLUSH IVORY WARE HANDPAINTED FLORAL PLATE
ANTIQUE ROYAL WORCESTER BLUSH IVORY RAISED LEAF SMALL PORCELAIN VASE GOLD RIM #2
ANTIQUE ROYAL WORCESTER BLUSH IVORY RAISED LEAF SMALL PORCELAIN VASE GOLD RIM #1
