These are NOS ECG261 transistors. They are probably from the 80's or maybe the 90's. They came from a closing down factory. They are not the fake China ones.
TO220 type package
NPN silicon Darlington power transistor
These are REAL Phililps ECG Components.
They are being sold by the piece not the whole box.
The box will only be include with the last one(s) sold.