If you’ve been keeping up with the lead codices thing, you will know that a number of scholars are now of the opinion that a stamp was used to make a number of the designs on different examples. Tom Verenna has just found another use of a stamp, interestingly on a known fake, which matches the supposed ‘genuine’ codices:
… I think I hear something sloppily hitting the fan on this case …
Our previous coverage of this (most recent first) in case you need to catch up: