Shiva Purana
अवगुंठ्य प्रदर्श्याथ धूपदीपौ च भक्तितः ॥ धेनुयोन्याख्यमुद्रे च सम्यक्तत्र प्रदर्शयेत् ॥ २३ ॥
Then he wrapped them up and displayed the incense and lamps with devotion The seal called the cow's womb should be properly displayed there.
english translation
avaguMThya pradarzyAtha dhUpadIpau ca bhaktitaH ॥ dhenuyonyAkhyamudre ca samyaktatra pradarzayet ॥ 23 ॥
hk transliteration by Sanscript