The variety Sunshine, used to create this rose, as well as Radiant Gold and Summer Dream, is a variety not yet listed on HMF. It is this rose from JAckson and Perkins from 1974/1975 and not the Sunshine from 1927 or 1918.

See this PDF for the correct Sunshine:

http://www.google.com/patents/download/ROSE_PLANT.pdf?id=tZp8AAAAEBAJ&output=pdf&sig=ACfU3U2Z0p5ZB_SABvNcLbwwYpas-VxAig&source=gbs_overview_r&cad=0

It is a lemon yellow HT bred by Warriner from Golden Sun x South Seas. Low fragrance.