A teadust glazed stembowl Qing Dynasty, jiaqing period

finely potted with shallow sides rising to an everted rim, resting on a widely splayed foot encircled by a raised rib, applied overall with an even deep olive-green glaze with very fine yellow speckles, the underside of the foot reserved with a three character Zhi ben tang mark     

The Zhi ben Tang was a private kiln operating during the Jiaqing reign