Lot of mixed "on piece" stamps; all used

This is a lot of stamps still on the torn section of the envelopes they were mailed on; they need to be soaked; there is no guarantee as to quality of any given stamp since they were stuffed in an envelope from an old collection, but there are many older worthwhile stamps in the group; the photos are the same pile, but just mixed up to give a better idea of what is included;