No such thing as an SE wheel. The SE came with or without the WS6 suspension. Without WS6 you got the 15X6 wheels that were machined on the edges, just like all non WS6 Firebirds with snowflake wheels. An SE with the WS6 option got the all gold 15X8 wheels, just like all other Firebirds with the WS6 option.
I think you're looking for the 1978 15X8's, which were all gold with non machined edges. After 1978, the 15X8's had machined edges.