1970 original muffler?

Hi Everybody!
We are completing our exhaust for A Body vehicles and are wanting to make sure we have correct information regarding the different model years. 3466218 is an "assembly line" part number for 1971 vehicles. The parts book does not always provide the actual #'s that were embossed on the Muffler. Is there anyone who has original Muffler photos that show the correct part number for the 1970 model year? One number that we have documented is 2460824. Are there any others that have been researched and/or documented? These will be exact duplicates to the examples that were originally offered by the Chrysler Corporation. Thanks!!!!