This is the darkest pink and most rugosa-like (in foliage and armature) of this particular batch of seedlings.
Surprisingly, although they have very reduced fertility, these guys do set a few open-pollinated hips (and seeds). They are also much more cold-tolerant than their mother. They're aslo all monstrous growers and once-bloomers.
Usually has tendency to "balling", but when it's happy with the weather it has really beautiful old rose form to go along with its strong old rose fragrance. See the happy picture below the sad one.