I NEED HELP, I HAVE A SMALL VASE OR PITCHER, 7" TALL PORCELAIN, HAS LAVENDER AND YELLOW FLOWERS PAINTED ON IT WITH GREEN LEAVES AND DETAILED IN GOLD, HAS A GOLD HANDLE. IT HAS A STAMPED 1 ON THE BOTTOM AS WELL AS A STAMPED 577 AND IT ALSO HAS A PAINTERS MARK PAINTED ON IT.. TRYING TO FIGURE OUT THE VALUE OF IT.