I believe it is a hybrid tea. It has a HUGE flower, a soft apricot in colour, and the underside of the petals are salmon/mid pink.
Perhaps Medallion? Try looking here:
You don't really give much information, but this may help you get started. Look at the description, and be sure to browse all the photos, as each blossom is unique and won't look exactly like yours.
Your photo is very pretty.