there are no "stable"-priced weapons in the 250-1000a range
stable maybe a HoD sword is in the ~100-150a range
everything above is minis mostly and ultra rare tonics, as it allways has been afaik.
highend like high highend trades. happend with rare mini1+ rare mini 2 + rare mini3 for Ultra rare miniX ( panda+Ig + MkG = kanaxai )*
*just example to show may not add up to value