When you place a painting, it "vanishes" BUT, if you destroy it, it drops an item (also if you destroy the block the picture is on)
MC-11982
MC 1.5 Paintings are Invisible
Resolved
Duplicate
0
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(Unassigned)
Unconfirmed
Minecraft 1.5
Retrieved
30th Duplicate of MC-11236, please use the search function to see if your bug has already been submitted. Currently over 54% of tickets are being closed as duplicate.