Twenty-four images of Vishnu in according to the Rupamaṇdana.1

Upper right hand: Gadā
Lower right hand: Padma
Adhokshaja — Sphere of the Universe
Upper left hand: Śaṅkha
Lower left hand: Chakra
  1. Gupte, R. S., Iconography of the Hindus Buddhists and Jains, 1972, p. 97