The Masonic Royal Arch with the 69 at top representing the passing between Worlds.
6 is an upside down 9 and vice versa.
The Astrological Symbol for Cancer. Bowie "battled Cancer for 18 months". 8 + 1 = 9.
"If 6 was 9, I don't mind"
- Jimi Hendrix, Freemason, If 6 Was 9