--Previous Message-- : : Bernadotte was not made count but prince de : Ponte-Corvo by Napoleon in 1806
Of course are you right, Lorenzo - J.B. Bernadotte was made Prince of Ponte Corvo. Thank you for clarifying it!
Yet he denied to sign with his title and continued to use "Maréchal J. Bernadotte" to the huge disfavor of Napoléon... Bernadotte never visited Ponte Corvo and used to joke that he has been made Major of Ponte Corvo not Prince... (due to the small size of his principality).
A slightly changed version of the city's coat of arms became The Prince's CoA and finally part of the then new House of Bernadotte's CoA: