Here is the Damascus after a quick acid etch.  I opted for not using muratic acid or ferric chloride (obvious reasons) and got a decent etch with lemon juice.  It has a beeswax rosin (tree sap) finish for a protective coating on the blade.

the hamon came out nicely, (differential hardening).  As you can see the Rockwell hardness is much higher on the cutting edge, hence the acid had little effect on it.  Unfortunately oil doesn't give quite as sharp a pattern.  Time to fit the hand guard and handle!!