With no bowl or arura fruit in his hands, the iconography is similar to that of Ratnasambhava, but the latter is almost always depicted in a bodhisattva form, and some of the fingers are raised as if to hold an object so we assume we are looking at the medicine buddha.
This is clearly him, holding his attributes, his sanghati draped so as to cover both shoulders while leaving an arm free.
The above has turquoise-inlaid rosettes and urna, and there is also a turquoise cabochon at the tip of his garment, over his left shoulder.
Undated (18th century circa?), Tibet, copper alloy, at the Världskultur Museerna in Stockholm (Sweden).
On this Pala-revival version, Bhaisajyaguru holds the stem of a plant (presumably an arura) in his right hand and a medicine bowl in the other.
His hair is arranged in concentric rows of thick curls topped with a chignon and a lotus bud finial.