Hi,
I have a '93 LSE and can confirm it is the standard top tailgate.
If you are thinking about fitting an afermarket aluminium tailgate, keep this in mind:
1. They flex more than the OE steel so can pop loose at times if not tweeked.
2. They are much lighter so don't have the same feel.
3. They aren't much cheeper and the steel will last at least 10-15 years.