As we all know, Leatherman started to stamping production date codes on PST's handles from November 1992 (1192).
But it's not as easy as it seems

I have few
"One handle dated" PSTs (date codes on blade handle only, file handle has no date code): earliest
1192/----, latest
0193/----.
My earliest
"Both handles dated" PST (with date codes on both handles) is
0593/0493 (blade/file handle).
Please, write date codes of yours dated PSTs:
- Latest "One handle dated"
- Earliest "Both handles dated"