Usagi Yojimbo, Vol. 4 #29

'The Secret of the Green Dragon,' Part 1 of 3. Usagi and Yukichi are obligated to deliver a priceless jade dragon to Merchant Awase. They witness a runner delivering a parcel of jewels to the same merchant killed on the road ahead. However, the killers left the jewels and escaped with the container. They come to the realization that the box they carry may be even more valuable than the jade within.