Hello and welcome! Nice first post.
Ok! Nice oddball SSP. The Copper or Brown was never offered in gen1 SSP nor gen2 performers. Have a look at the brackets. If they look spot welded factory look and have N code on the lid vent.... you may have a one -off SSP from the factory. If the brackets are bolted to the bowl.... someone dropped in this copper from other kettle into this SSP frame. Either way, it looks great.