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Continuity mistake: In his hotel room as they speak about the black bird, Kasper Gutman pours Spade a drink. A second glass appears on the table just before they sit down. (00:58:10)

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Visible crew/equipment: When detective Dundy visits Spade in the middle of the night and asks, "What kind of gun do you carry?" an equipment shadow can be seen moving above Spade's head on the lamp. (00:11:10)

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