Most buyers avoid old 99-year leasehold because of lease decay fears.
But the data from D15 and D16 tells a different story.

Here's how I'd approach it:
→ Long-term buyer? Older 99-year = strong value
→ Need an easy exit? Newer = better liquidity

One decision. Very different outcomes.
Hopefully this helps you make a smarter move. Reach out if you need guidance.