Vintage Royal Worcester English Porcelain Egg Coddler with Screw on Lid.  Valencia pattern on both sides.  Art Deco style lid that has finger pitched or tighter screw threads (4 threads) which is indicative of the earlier Type 7 coddlers produced.  Used for coddling an egg.  Double egg size.  May also be used as a small sugar bowl or serving condiments such as jam, jelly, or honey.  Made in England.  No chips or cracks.