Stem cup or Butter lamp with Tibetan script

Chinese porcelain stem cup or butter lamp, blue and white, shaped with flared rim raised on an inverted trumpet shaped knopped pedestal base. The interior is painted with eight point floral medallion, and the exterior frieze is of lanca characters. It has a pedastal knop flanked by a band of demi-florettes and ruyi and interlinked beaded tassels.