r.c. alley-oop owens' jersey. this is his rookie shirt. r.c. ne year because 1957 is the only year that the 49ers wore this style, with two gold stripes and one red stripe. >> i also collect and write about world war ii. and my father was a veteran in world war ii. the 91st infantry division. and he was decorated with medals and so on. and he gave me his first collectible, which actually was my first collectible when i was like 4 years old, was his dog tags. that's been my prized possession. my first collectibles. >> so as you can see clearly, martin is nostalgic. he is that special fan who has collected amazing pieces spanning across the decades. whether it's a program, ticket stub, or jersey worn by one of the 49er greats. chances are he has it. he's also glad to share a story or 20. and that is why his passions possessed him to pick up a pen and scribe a new chapter in his life. literally. >> my first book was "before they were champions." and i wrote about the 49ers before the super bowl. leading up to the super bowl. the '40s, '50s, '60s, a