I have found what appears to be a faded version of The Polaroid - as a trinket : r/bindingofisaac
The Binding of Isaac: Rebirth | ENDING 14 | Polaroid... - YouTube
The Best Binding of Isaac Seeds (Repentance and Afterbirth+) | Blog of Games
The 10 Best Trinkets in "The Binding of Isaac: Rebirth" - LevelSkip
The Binding of Isaac Repentance Patch Notes - Full List of New Features
Steam Workshop::the polaroid (and the negative) but awesome
The Binding of Isaac: Repentance Tainted Characters Guide | The Binding of Isaac: Repentance
Binding of Isaac: Rebirth Item guide - The Polaroid - YouTube
The 10 Best Trinkets in "The Binding of Isaac: Rebirth" - LevelSkip
The 10 Best Trinkets in "The Binding of Isaac: Rebirth" - LevelSkip
Apparently gulping the faded Polaroid makes it unable to open the door in depths which I guess makes sense since you can't put it in the door if you swallowed it :
The Binding of Isaac: Repentance |OT| One last run into the unknown depths below OT | Page 28 | ResetEra
Binding of Isaac: Rebirth Item Ideas 2 by A-Ithyphallophobiac on DeviantArt
The Binding of Isaac: Repentance - Final Boss Guide
The 10 Best Trinkets in "The Binding of Isaac: Rebirth" - LevelSkip
Apparently gulping the faded Polaroid makes it unable to open the door in depths which I guess makes sense since you can't put it in the door if you swallowed it :
The Binding of Isaac: Repentance Tainted Characters Guide | The Binding of Isaac: Repentance
Steam Workshop::Polaroid Negative Rework
The 10 Best Trinkets in "The Binding of Isaac: Rebirth" - LevelSkip
The Binding Of Isaac: Rebirth - The Polaroid and The Negative AT ONCE - Quick Tricks Ep. 2 - YouTube
I got both The Polaroid and The Negative by using Diplopia. : r/bindingofisaac