It's a shame eBay feedback can be padded by unscrupulous means.
I doubt you'll find any experienced guys here would have recommend that as a buy.
Do you have a lot of letters need opening ? Sorry for the sarcasm but I know how this story ends.
$40 for Damascus steel is surely made in Pakistan & I haven't heard of one lasting a full 3 pass shave yet.

Are you aware of this page ? It may help you in further choices.
Brands of Straight Razors to avoid - Straight Razor Place Library