Kalibangan: Seal: K-15 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 301: Collections in India: Suomalainen Tiedeakatemia.
Mohenjo-daro: Seal: M-134 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 44: Collections in India: Suomalainen Tiedeakatemia.
This is Mahadevan's sign number 282, which I have redrawn to better reflect the original.
Assistant's House: Lynn Fawcett, 2023.