https://www.ebay.com/itm/1248593740...,osub=osub,crd=crd,segname=segname,chnl=mkcid "Very fine" "The blade is marked by maker" "Good condition as shown on the images" Clearly this person doesn't know how to grade a straight razor. At least at that price, it's unlikely that someone who would spend that much would be fooled by this listing...
It's clearly been used hard, and I wouldn't expect that from a whore house's letter opener. Now if we we talking about wear marks on phones, or pagers (those relics), then yeah, I'd agree. I will bow your intimate knowledge of such places. I've never been to France. Anyone else remember those clear (landline) phones with neon colored insides? Usually went on sale for $10 at Christmas time.