Matsya Purana 258.5

258.5

viṣṇaustāvat pravakṣyāmi yādṛgrūpaṃ praśasyate.
śaṅkhacakradharaṃ śāntaṃ padmahastaṃ gadādharam .. 258.4

The ways of making the image of Lord Viṣṇu that is highly beneficial will now be described It should be made holding conch quoit club and lotus having a canopy over the head with neck like a conch beautiful eyes raised nose ears like the shells of mother of pearl, peaceful and serene in appearance—4 5