From wikipedia...
Roy Palmer (2 April 1892 – 22 December 1963) was a U.S. jazz
trombonist.
Palmer was born in the Carrollton neighborhood of uptown New
Orleans, Louisiana. Early in his career he also played violin, guitar and
trumpet. He worked with brass bands including the Tuxedo and the Onward, with
Papa Celestin, and with Richard M. Jones band in Storyville and other local
groups before moving to Chicago, Illinois, in 1917.
From the 1920s on he recorded with many Chicago-based bands,
including King Oliver, Jelly Roll Morton, Lil Hardin Armstrong, Freddie
Keppard, and the State Street Ramblers.
Unknown c / Roy Palmer tb / Darnell Howard cl, as, vn / cl, ts / Bob Hudson and or W.E. Burton p / bj / Jimmy Bertrand d, wb / v.