Royal Crown Derby Large Teapot. Derby Posies Collection From England. Stunning Teapot from Royal Crown Derby, Derby Posies collection. Beautiful floral design on both sides and Lid, with a Gold Trim throughout. It appears that this piece has only been a display piece. It is fully functional. No cracks chips or crazing. 7.50″ Tall by 11.25″ Wide Handle to Spout by 6 Deep. In 1938 they started the Roman numeral system. This Teapot shows 36 in Roman numerals, so add that to 1938 and you have the year it was produced. Thanks for coming by.