If it was the very last only surviving one of that model then it MUST be original as per factory gate exit.No and no. Bundt's or steel with painted hubcaps.
You are a very nice manPentas for the win (IMO). Pie pan Gullideckel wheels don’t look right on an SLC IMO. They are an 80’s wheel, and the SLC is a 70’s car. Spikes are for 60’s cars, and those spokes (too many) don’t look period correct for anything but a 90’s Donk IMO.