[Dolalin]

Gonna guess the first Reaver upgrade happened in the late June 2001 patch, per Tigole:

As we all know, many of the items were upgraded today. North ToV loot finally got the upgrades we all knew were coming. Add to that ToV quest upgrades, Tormax upgrades. . .

https://web.archive.org/web/20150309...ost/2001-06-28

And a few others:

Axe of the Kromzek Kings had an intermediate upgrade to 36/43 in June 2001:

http://web.archive.org/web/200106030...romzek_axe.jpg

And the Great Spear of Dawn stats given in my first post are actually the June 2001 upgrade. Until June 2001 it was 37/41:

https://web.archive.org/web/20010515...nt/GSoDSev.jpg