Here's some of the official prop shots they used for website and the card info that appears under each at exhibit... this week's IndyCast has an interview with the Exhibit Manager who has some more info...
PROPS LABELS from web pics from X3 and LFL
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-026_Video_Comp_seul_ANG.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-026_Video_Comp_seul_ANG.jpg" border="0" alt="Photobucket"></a>Ark of the Covenant
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Arch_11x85_300ppi.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Arch_11x85_300ppi.jpg" border="0" alt="Photobucket"></a>
Ark, which once carried the tablets on which the Ten Commandments were written, was thought to contain enough supernatural power to level mountains. Indy’s challenge in Raiders is to find the Ark before Hitler and the Nazis can.
Object Type: Prop
Film: Raiders of the Lost Ark (1981)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Idol_11x85_300ppi.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Idol_11x85_300ppi.jpg" border="0" alt="Photobucket"></a>
Fertility Idol
In the opening scene of Raiders of the Lost Ark, Indy discovers this idol deep
within a Peruvian temple riddled with booby-traps. Indy escapes the temple only to have the idol stolen from him by rival archaeologist René Belloq.
Object Type: Prop
Artist: Norman Reynolds
Film: Raiders of the Lost Ark (1981)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Stone_11x85_300ppi.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Stone_11x85_300ppi.jpg" border="0" alt="Photobucket"></a>
Stones
These stones are the objects at the centre of the action of Temple of Doom. Mola Ram steals one of these stones from the Mayapore village in his quest to obtain the full set of five. In order to save the village, Indy must recover the stolen stone.
Object Type: Prop
Film: Indiana Jones and the Temple of Doom (1984)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Nurach2B2D6F.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Nurach2B2D6F.jpg" border="0" alt="Photobucket"></a>
Urn with Nurhachi’s Remains
In the opening scene of Temple of Doom, Indy trades this artefact to notorious crime lord Lao Che in return for a priceless diamond. It contains the ashes of Nurhachi, the first emperor of the Ming dynasty.
Object Type: Prop
Film: Indiana Jones and the Temple of Doom (1984)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Graal_11x85_300ppi.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Graal_11x85_300ppi.jpg" border="0" alt="Photobucket"></a>
Grail
One of the many chalices on display in the Grail room protected by the knight of the First Crusade. Elsa Schneider selects the False Grail for Walter Donovan to drink from, sending him to his death. Indy correctly identifies the true Holy Grail.
Object Type: Prop
Film: Indiana Jones and the Last Crusade (1989)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Crane_2B975D_FR.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Crane_2B975D_FR.jpg" border="0" alt="Photobucket"></a>
Skull
The skull, made from one seamless piece of crystal, is the artefact at the centre
of the action of Kingdom of the Crystal Skull. Indy has to find the skull, which is thought to contain supernatural powers, and keep it from a group of Russians led by KGB agent Irina Spalko.
Object type: Prop
Artist: Stan Winston
Film: Indiana Jones and the Kingdom of the Crystal Skull (2008)
Collection: Lucasfilm Archives
<a href="http://s263.photobucket.com/albums/ii135/mitchellhallock/?action=view¤t=IND-018_Props_Mask_11x85_300ppi.jpg" target="_blank"><img src="http://i263.photobucket.com/albums/ii135/mitchellhallock/IND-018_Props_Mask_11x85_300ppi.jpg" border="0" alt="Photobucket"></a>
de Orellana’s Death Mask
Golden funerary mask discovered by Indy and Mutt Williams in Francisco de
Orellana’s tomb in the cemetery at Chauchilla in Kingdom of the Crystal Skull. The mask allows Indy to identify the body of the sixteenth-century conquistador.
Object type: Prop
Film: Indiana Jones and the Kingdom of the Crystal Skull (2008)
Collection: Lucasfilm Archives