(https://i.imgur.com/P5NdXK7.png)
(https://i.imgur.com/cUEssR7.png)
Seems like they've found the original long lost Edward Sloan epilogue where Van Helsing gives his "After all, there are such things!" monologue.
It doesn't have all the sound to it, but people thik they can combine that with what Universal already has to make the thing complete.