Hi bababebi,
Good to hear from you and hope all is well.
Also good to hear this insight from you

I received a BBK 28 a few months ago from my H boutique and could not find the date stamp. Truly, the craftsmanship on it is a marvel and even more beautiful without the distraction of the date stamp. However, I understand how this could be upsetting. Even though I have the paperwork, at a future date after I have left this earth the paperwork could become misplaced and without it the authenticity of my bag could be in question. It’s not really an issue I want my daughter to have to deal with after I’m gone as she is not as knowledgeable about Hermès tradition and craftsmanship, although I am working hard to bring her up to speed.