I recall doing guards in ak`anon at 56 on a shm, a long time ago. I cant quite recall which areas were best tho....would need to scout it out, to avoid gm mobs
Not sure if ubber exp, but it was fun. Always good freakin out nuubs too )
http://wiki.project1999.com/A_Clerk
http://wiki.project1999.com/Dealer_Maeline
http://wiki.project1999.com/Justin_Ryhmes
a few mid 40s npcs in hhk. high zem )
you will need to chk faction and pop times.
i have seen folk kill guards in kelethin, but never tried it myself.
http://wiki.project1999.com/Guard_Fayfield
http://wiki.project1999.com/Guard_Oakwillow
etc