I am posting some idols of pre-christian era which are related to Hinduism.
Adishakti cave painting (25000 years old)
This Hindi news article describes about how paintings of Hindu deity found in Hadoti.
Lord Rama, Iran (2000 BC)
Taken from this article of TOI.
Pashupati (2500-2000 BC)
This idol of Pashupati is found in Mohenjodaro. It is related to ...