WRAPUP 2-Lehman rescue talks hopes rise, BofA seen saviour
* Lehman puts itself up for sale - sources
* Talks with U.S. government could complete this weekend
* Bank of America seen most likely saviour
* Shares jump over 15 percent in Frankfurt
By Jamie McGeever
LONDON, Sept 12 (Reuters) - Expectations that a deal will emerge to save Lehman Brothers LEH.N mounted on Friday after its plunging share price prompted intensive talks with U.S. officials about rescue options.
Lehman's Frankfurt-listed stock jumped 15 percent to 3.76 euros as talk swirled that the bank could put out a statement around 1000 GMT. Lehman declined to comment.