8 favorite votes.  

Dark red Hybrid Tea.
Registration name: Viking (hybrid tea, Moro, 1963)

Bred by Luciano Moro (Italy, before 1963).
Introduced in United States by Carlton Rose Nurseries, Inc. Archive in 1963 as 'Viking'.

Hybrid Tea.  

Ruby-red.  Moderate fragrance.  Large, double (17-25 petals), borne mostly solitary, high-centered bloom form.  Blooms in flushes throughout the season.  Large, ovoid buds.  

USDA zone 6b through 9b (default).  

United States - Patent No: PP 2,333  on  24 Dec 1963   VIEW USPTO PATENT