According to the "MG File, Model by Model", published in 2001 which lists every MG every made, no TC's were made in the Tickford style. I'm not sure if this is a one-off conversion of a TC into a Tickford or a car that was incorrectly registered as a 1949 or what. Not enough pictures or engine detai...

I would expect that the "C" to be slightly higher that the rest of the letters, the same would be true of the letter "O", "Q", "S" and "G". It should extend slightly lower as well. This is normally done in "correct" printing so the weight of the letter is equal to other "heaver" letters such as "D",...