surviving gerat 06 and 06h

[mkb42h]

here is a list of gerat o6 and 06h that i have seen photos of, anyone know where they really are and if there are more of them?

gerat 06- 2 incomplete at springfield armory
1 complete at royal pattern room?(senich book)
1 complete with different buttstock?(small arms of the world)

gerat 06h-1 at springfield armory
1 at mauser museum oberndorf
1 v21 private collection usa
1 v20