It understood the current model suffered fire damage.
The trophy presented to the winners of rugby union's Six Nations will be replaced, after the current model suffered fire damage.
It happened during an incident involving the vehicle carrying the silverware during round three of this year's Championship.
It is understood, the fire, reported to have taken place in Ireland, led to no injuries but after assessment by the trophy manufacturer, it concluded that the trophy is unable to be restored to the standard required, and will retire from ceremonial use.

Ireland Finish Junior World Championship On A High
Fierce Heat Is Not Affecting Match Quality At Wimbledon Quarter Finals
Brian Dowling Confirmed Kildare Hurling Manager For New Term
Tuesday Morning Sports Update
Tottenham Complete Signing Of Midfielder Sandro Tonali
Brazil's Neymar Calls Time On His International Career
Weekend Club GAA Results
Kruger And Kostyuk Get The Action Underway at Wimbledon