Shiva Purana
अविमुक्तेश्वरं लिंगं काश्यां तिष्ठति सर्वदा॥ मुक्तिदातृ च लोकानां महापातकिनामपि ॥ २५ ॥
The phallic image Avimukteśvara stays in Kāśī always, yielding salvation to the people including even the great sinners.
english translation
avimuktezvaraM liMgaM kAzyAM tiSThati sarvadA॥ muktidAtR ca lokAnAM mahApAtakinAmapi ॥ 25 ॥
hk transliteration by Sanscript