In Size2:
The 2nd image does not display
http://images.cul.columbia.edu/data/saskia/Size2/D0001/jia0584.jpg
http://images.cul.columbia.edu/data/saskia/Size2/D0004/jia0584.jpg
In Sids:
These dupes have different md5 checksums but by appearance they seem to be perfect dupes. It could be that each sid compression in unique at a binary level, even if performed on the exact same source file.
http://images.cul.columbia.edu/data/saskia/Sids/D0001/jga0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/jga0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0001/jgc0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/jgc0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0001/jia0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/jia0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0001/jic0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/jic0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0002/lif2584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/lif2584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0002/mff1584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mff1584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0002/mgb0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mgb0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0002/mhf0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mhf0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0003/mib0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mib0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0003/mif0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mif0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0003/msf0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/msf0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0003/mvd0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/mvd0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0001/pff0584.sid
http://images.cul.columbia.edu/data/saskia/Sids/D0004/pff0584.sid
