Pointing out the crude, jagged workmanship and stench, the grizzled, tough-looking weaponsmith says
to you, in sirihish:
     "We don't buy gith-gear for much due to the inflated market."
The grizzled, tough-looking weaponsmith says to you:
     "Let's keep the price at 4 obsidian coins, shall we?"

say .. huh.
You say, in sirihish:
     ".. huh."

barter
You give the grizzled, tough-looking weaponsmith a bone longsword in exchange for 4 obsidian coins.