Shiva Purana
शंखचक्रधरं सौम्यं चन्द्रबिंबसमाननम् ॥ श्रीवत्सवक्षसं देवं प्रसन्नमधुरस्मितम् ॥ ३८ ॥
He was gentle and carried a conchshell and disc and his face resembled the reflection of the moon. He is the god with the chest of the Śrīvatsa and a cheerful and sweet smile.
english translation
zaMkhacakradharaM saumyaM candrabiMbasamAnanam ॥ zrIvatsavakSasaM devaM prasannamadhurasmitam ॥ 38 ॥
hk transliteration by Sanscript