artifacts. abc's john donvan has more. >> reporter: if you don't recognize the face on these cards, that is ty cobb who notched up baseball's best ever lifetime batting average .367. but try this number, millions. what these cards may be worth after being discovered at a home empty south. the cards finders are staying anonymous for now. experts confirm this is a jackpot find. >> i think you could argue this is the coolest find we've ever seen. >> reporter: yep, these attic finds are lottery-like as when a few years back, audiotapes of dr. martin luther king jr. were found by a writer's son in his dad's attic. recorded in 1960. they've been appraised at $100,000. >> and they have followed means that grow out of the highest tradition of nonviolence. >> reporter: there was the van gogh painting found in a attic in norway and this 1938 comic in the wall of an old house. back to baseball cards. see these? these are not the ty cobb cards. different story. >> a few years back, my cousin carla and myself were cleaning out my grandmother's attic, and buried in one of the boxes was stacks of

life. abc's john donvan looks back. >> reporter: they were both from the soundstage to the world stage that is politics. but this part, what they had between them, that was authentic. the term of endearment he gave her, he called her "mommy," while he was "ronnie." it belied a passion, a loyalty, and a bond that kept them together half a century. from a letter ronald wrote nancy during his time as california governor, he would, he said, "be totally lost and desolate without you. you should know this and be aware of how essential you are in this man's life." it went the other way of course. reagan biographer bob colacello. >> nancy loved ronald reagan, i mean, with her whole being. it was a romantic relationship that worked on every level. >> reporter: and so we saw that last kiss. and we know about the visits to the gravesite. and we know what dream she held close. what she told diane sawyer the reverend billy graham told her. >> i just want you to tell me that when i go, that ronnie's going to be there waiting for me. and he said, "oh, yes. absolutely, nancy." >> you're sure? >> billy

time of work and rehabilitating injuries this dog is finally having his day. here's abc's john donvan. >> rocky was an online celebrity even before crossing the tarmac for a flight home from germany, the last leg of a rough journey that began back in december in afghanistan when rocky was brought in wounded after he and his handler specialist andrew brown were both caught in an explosion. brown was awarded a purple heart and he gave one to rocky and this had spread all over social media. >> got to have 100% trust in your dog. that's the number one thing. >> in time brown came back to the u.s. to continue his recovery. >> doing good. >> but rocky has been in germany undergoing repeated surgeries to his pelvis and physiotherapy to see how much use of his left rear leg he can get back. 4,000 hours has gone into good-bying rocky a comeback. justified? >> he's an asset as a military working dog who's capable and comfortable and skilled at doing his job. >> reporter: it was hard to say good-bye in germany but here is the hello again at the other end for specialist brown. >> oh, wow. >> the recognitio

everyone being able to participate. here's abc's john donvan. >> reporter: how rolls your easter egg? well, here the question was how beeps your egg? because at this easter egg hunt staged in florida the eggs did indeed beep which was how these kids who cannot see were not left out of the day. >> did you hear that one? nice. >> reporter: not with the easter bunny passing through. >> if one child had a joyful day, it's a good day. >> reporter: another way the egg rolled, bluetooth chips and a hunt by smartphone. this was, where else? california. prize for finding the golden egg a thousand bucks. >> wow! >> reporter: meanwhile in cincinnati, no prize except the pleasure of the hunt itself. action which they were into, sort of. but if you want a crowd for an easter egg hunt, try dropping the treasure from the sky and then letting loose hundreds of kids. plastic eggs, chocolate inside, here's what that looks like on this day when we like our eggs more whole and roundish than scrambled, fried, or sunny side up. john donvan, abc news, washington. >> our producer scott said good thing they weren'

devoted to protecting his human companion luke who has type 1 diabetes. john donvan reports the force is strong with the dog. >> reporter: of course, because he's a dog, jedi the lab has an acute sense of smell. but it's his good timing that maik made this picture of jedi and the boy he looks after spread all over facebook. here's the story. luke is 7, diagnosed with a chronic condition. >> the doctor says, your son has diabetes, he needs to go to the hospital now. >> reporter: that means luke has to get shots of insulin several times a day when his own insulin levels spike or drop. >> when your child gets sick, you have to bring your child to the hospital. >> reporter: the other night, the whole family was asleep, luke's blood sugar plummeted and before his monitor caught the it was jedi as in swars. jedi and luke. so jedi has been trained to smell when i luke's levels go too low. >> he's really especially to me because he always knows -- his nose can sniff all the way like where i am. >> he laid on me. and then i went, oh, no, i there i have to get up and collect luke. i think there

. abc's john donvan reports the force is strong with the dog. >> reporter: of course, because he is a dog, jedi the lab has an acute sense of smell. but it's his good timing that made this picture of jedi and the boy he looks after spread all over facebook. here's the story. luke, who is now 7, was diagnosed as a 2-year-old with a chronic condition. >> the doctor walked back in the room and he said your son has diabetes. you need to get him to the hospital now. >> reporter: that means luke has to get shots of insulin several times a day when his own insulin levels spike or drop. and become an emergency. >> if children get very sick, they can end up in the hospital. >> reporter: that's exactly what happened the other night when the whole family was asleep. luke's blood sugar plummeted and before his glucose monitor caught the drop, who sounded the alarm? it was jedi as in "star wars" jedi and luke. right. so jedi has been trained to smell when luke's levels go too low. >> he's really special to me because he always knows -- his nose can sniff all the way like where i am. >> he laid o

for real. >> he's my first best friend. >> reporter: john donvan, abc news, washington. >> how cool. >> this is crazy but they believe that dogs actually have the ability to senses disease, sounds crazy. >> that's insane. >> apparently it's true. they have this ability to do it and that humans have about 5 million oh factory cells in their nose compared to 200 wow. >> that's why we all need dogs as best friends. >> i'm glad you can't smell me >>> this morning on "world news now," political battleground. >> the democrats and donald trump's gop rivals speaking out about violent demonstrations at trump's events. the drama before five key states go to the polls. >>> deadly gun battle. the young officer shot and killed just outside a police station. tough questions and raw emotions after an unprovoked attack. >> and fighting zika, the mosquitoes modified to fight other mosquitoes carrying the virus. the scientific advance and questions about safety. >>> and travel turmoil. the record number of spring break travelers finding long lines and anxiety at the airport. the excessive waiting and