File:Doom 0.3 Shields.png

Summary
Unused shield generator pickup sprites from Doom v0.3, appearing with the proper palette from Doom v0.2 in a screenshot taken with the Eternity Engine. Left to right are believed to be the following, assuming that their ordering in the IWAD matches with their ordering in the Doom Bible, which is true for other classes of items spelled out therein: beam shield, disruptor shield, deflector shield, ban shield, and shockshield.