The Prentares Ribbon of Commendation was an award presented to deserving Starfleet personnel in the 23rd century.
Captain Archer was a recipient of this medal prior to his retirement from Starfleet. (ENT: "In a Mirror, Darkly, Part II")
This information appeared on the personnel file for Archer, discovered aboard the USS Defiant by his counterpart in 2155.
Captain Kirk also received this award prior to his court martial in 2267. (TOS: "Court Martial")