TLS, one page, 7 x 9, General of the Armies letterhead, January 5, 1923. Letter to Princess Antoine Bibesco. In part: “It is with very deep regret that I find it impossible, on account of a previous engagement, to accept your very cordial invitation for Monday evening.” In fine condition, with a few light creases and a couple trivial spots of foxing. RR Auction COA.