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

Upper right hand: Padma
Lower right hand: Sankha
Nārāyaṇa — the Universal Abode
Upper left hand: Gada
Lower left hand: Chakra
  1. Gupte, R. S., Iconography of the Hindus Buddhists and Jains, 1972, p. 97