Wet Ink signatures can also mean seals or company trade marks. Bills of exchange act.
The BC's which are all originals are never held by the issuing state.
What purpose would a BC have to sit with the issuing party? Absolutely nothing.
Mom and Dad granted the SOLB to the state by filling it up (not filled in) and delivering it.
Its a bailment with Mom and Dad becoming the bailor and the state become the bailee.
The BC switch's Mom and Dad as being the bailee and the state becomes the bailor.