I believe the name is W.R. Yerke. I found info here
http://test.woodwind.org/oboe/BBoard/read.html?f=1&i=91496&t=91496
It seems it is a pretty rare maker. His horns are marked W.R. Yerke Inc. Paoli, or Mitchell, Indiana.
Sold as is as shown Gussing its 1930's