OK folks, to assuage my curiosity (and to placate Vandoo, whom I can feel poking me with a metaphorical stick in the cause of getting the forum livelier

), I have a question, simply expressed but delivered with contrition. I'm sure this information is elsewhere, but I've not yet found it despite much searching.
What are the different patterns found on items of Damascus steel?
I know of names, and I have read descriptions; I can describe certain patterns (my jezail barrel's "wibbly wobbly swirly things" for instance!), but nonetheless, I have never seen, say, a series of pictures, accompanied by the words:
"That is
sham-pattern Damascus." So, ladies and gentlemen, if you'd oblige a hopelessly ignorant young fella (and perhaps help those who shall follow us all), I should be... er... obliged.