The real decal has a shorter dash, serifs on the X, "merc" is fatter and the 0's are more square.
Printable View
Carl Kiekhaefer's dyno room in Oshkosh Wisconsin used for his NASCAR engines in 1956...http://www.mercuryracing.com/blog/wp...n-the-dyno.jpg
...Summer of 1966 - Fred Kiekaefer piloting a catamaran with Carl & twin in-line sixes...http://www.mercuryracing.com/wp-cont...d1966-copy.jpg