got a 68 440 mtr with a maltese cross

The 1968 TSB on the engine numbers / stamps & related information. There are six pages;

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page1.jpg
http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page2.jpg
http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page3.jpg
http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page4.jpg
http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page5.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page6.jpg