Since this has official in caps, it must be true...so beholdeth my modest collection

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GL Corps Series:
Alan Scott, Silver Age Hal Jordan, Modern Hal Jordan, Tomar-Re, Guy Gardner, John Stewart (mosaic), John Stewart (variant)

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GL Corps:
(The pair of Stewarts), Kyle Rayner
GL Series 1:
Emerald Shield Hal Jordan, Hal Jordan, Kilowog, Parallax, Ganthet and Guardian
Lower Corner Kingdom Come:
Green Lantern
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JLA:
Superman, Green Lantern
DCD:
Hal Jordan (Spectre), HTH Hal Jordan, JSA Alan Scott, Power Girl
(You can make out a HUSH Joker in the lower corner, beneath it are HUSH Batman and Nightwing)
These are non-figure photos, but still part of the collection:

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The Wall of Autographs:
JSA Classified #1 (Adam Hughes, Amanda Conner, Jimmy Palmioti)
Batman: Long Halloween #9 (Tim Sale)
Green Lantern #1 (Alex Ross)
Green Lantern #19 (Martin Nodell)
Kevin Smith Inaction Figure
Eliza Dushku as Faith
Guy Gardner #1 (Joe Staton)

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Green Lantern #59, 1st appearance of Guy Gardner

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Unused/Unfinished Page given to me by Ethan Van Sciver, featured character...who else but Guy Gardner