You are looking at the SAGEM engine ECU off a Peugeot 306: –
This is in good condition.
This ECU is compatible with the following models: –
PEUGEOT 406, 306, Citroen Xantia, Xsara 1.8L from 1996 LFY
CHECK THE NUMBERS ARE THE SAME AS YOUR’S BEFORE BUYING
Will need unlocking / coding to your car by a competent auto electrician