What Year did Hermes begin the "H" stop on zipper?

tnw

O.G.
Jan 29, 2007
3,288
97
California
Sorry, if this has been discussed before, but I did a search and came up with nothing. Does anyone know? I hope this is not in inappropriate question due to authenticity issues. Thanks in advance.
 

Pepper

Raisinette
Authenticator
O.G.
Oct 12, 2006
6,102
65
^^Exactly. I have seen recent authentic bags without it as well.