★ (Blackstar), Not On Label (David Bowie) – none, Cassette, Album, Limited Edition, Unofficial Release, Italy, 2016.

Notes:

Released in a folded slipcase.
On the front of the slipcase reads: "SPECIAL LIMITED EDITION INCLUDES BONUS TRACK".
Cassette shell is made of transparent sparkle plastic.
Contains small folded insert with tracklist on one side and images on the other.
Very few copies made of this.
At the end of side 2 there is a very short instrumental ghost track.

David Bowie – Ragazzo Solo, Ragazza Sola, Not On Label (David Bowie) – none, Cassette, EP, Limited Edition, Special Edition, Unofficial Release, Italy, 2016.

Notes: 

Bootleg tape issued as an alternative to the blue vinyl limited edition reissue single at the exhibition "David Bowie Is" in Bologna, Italy, from July 14th to November 13th, 2016. It includes the tracks from the single on side A plus two bonus tracks on side B.
The cassette is blue with label on only one side, and comes in a turqouise case with an extra insert.
Track A2 "London Bye Ta Ta" is misspelled "London By Tye Tye".
On side A of the tape after track A2 there is a "Ghost Track" , a short alternate mix instrumental of Space Oddity.

Special Extended 2016 Limited Edition

David Bowie – The Man Who Sold The World, Quartet (2) – Q 062, Cassette, Album, Reissue, Unofficial Release, Poland.

Notes:

1972
Dolby System
There is also a slight shell variation with red paper labels

David Bowie – I'm Afraid Of Americans, Not On Label (David Bowie) – none, Cassette, Single Sided, Single, Limited Edition, Unofficial Release, Italy, 2017.

Notes: 

(p) 2017
Limited Edition - Single Sided Cassette
Clear cassette shell - red paper label

David Bowie – The Next Day, Not On Label (David Bowie) – none, Cassette, Album, Limited Edition, Special Edition, Unofficial Release, Italy, 2016.

Notes:

Unofficial cassette of the album with 3 bonus tracks, this tape version does not include "Heat" as the original tracklist.
Track A8 ends with a similar intro of "Boss of me".
The Case is a standard type with a black back and transparent front, The shell is transparent clear with a red foil inside on both sides. A paper picture label is present only on side A., contains a folded card insert
Dolby B. Special 2016 Edition.

David Bowie – Amsterdam, Not On Label (David Bowie) – none, Cassette, Single Sided, Single, Limited Edition, Special Edition, Unofficial Release, Ital, 2017.

Notes:

Track 2 Recorded live at Carnegie Hall 28th September 1972
David Bowie is exclusive Orange cassette
Groninger Museum 11/12/16 - 13/03/16
Limited edition - one sided cassette single