Last June ConHome reproduced this anonymous letter being circulated among Conservative MPs, purporting to come from a colleague complaining about the power of Team Cameron.
Its authenticity was in doubt, and another similar unsigned letter sent to Conservative MPs this morning - on House of Commons notepaper - makes me all the more convinced that a Labour dirty tricks operation is at work, with the latest letter containing class warrior attacks which simply don't ring true as coming from the pen of a Conservative.
A first letter circulated this morning states:
"Dear Colleague,
Things cannot go on like this. The attached memo explains why.
You may wish to join us by writing to Sir Michael Spicer, as Chairman of the 1922, to request an immediate poll."
There then follows an unsigned memo, headed "Letter to Colleagues", which begins:
"We wrote to you all last year. Since then our group has met a few times. Things have got worse, and are now critical."
It goes on to make the same complaints as the letter last year about Team Cameron: