Marvel Age #17 CGC 7.0.  

1st preview of the Transformers!  1st Starscream 

3rd Appearance of the Black Suit Spidey (see back cover).  The order for Black Suit Spidey arranged by when the books were actually published, rather than the cover date, is:

Amazing Spidey #252: Published January 31, 1984
Marvel Team Up #141: Published February 14, 1984
Marvel Age #17 (on back cover): Published May 8, 1984
Marvel Age #19: Published July 10, 1984
Secret Wars #8: Published August 28, 1984

CGC books are wrapped in plastic, then cardboard, then bubble wrap before being shipped priority mail.