All 200B sedans from factory had the chrome strip at the bottom. So you might well have a coupe bootlid. The badges never had any pins though so they could have easily been removed. If you post a picture of the bootlid I'll be able to tell the difference
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green200b - aka Alistair
The fleet:
Australia:
'80 200B GX - the
green200b - hibernating
'81 RX-7 - 12A extend port - daily
'74 RX-2 - 13B bridgeport - cruiser
Europe:
'93 200SX - CA18DET - tourer
Green200B has forgotten more about 200Bs than we will ever know.