Capodimonte Porcellane, Porcelain Flower Rose

On the back side of this Capodimonte Porcellane Rose Flower is both a stamped crown with a N underneath & a gold sticker with a black crown with a black N underneath. Made in Italy with the word FABNAR. The first picture shows two white specs where the green has rubbed off the leaves. There are NO cracks, chips, repairs to this piece. This Capodimonte is 7 1/4 inches long, widest in middle is 3 3/4 inches, & 2 1/4 inches high. Big rose is 3 3/8 inches wide. Small rose at top is 1 5/8 inches deep. Brown stems are 3 1/4 inches long. Does this belong to a bigger set? What is the approximate value on this piece? What is the date of this piece? Are these hard to find?