This may not be quite what you're looking for, since it doesn't involve any ghosts as far as I know.
When I was 14 and in Missouri, my mom had a friend named Derenda, and I made her two mix tapes for her car, which I labelled "Derenda's Tape 1" and "Derenda's Tape 2". I never got a chance to give them to her, as my parents split in a rather quick and hostile fashion right within a couple of days of me finishing them. So they ended up coming with me and my mom to South Carolina, and I listened to them a few times, and then they ended up in my cassette box.
Fast-forward to when my wife and I are moving into our first house together. I helped her bring some boxes from her mom's house, and as we're unloading them, I come across "Derenda's Tape 2". I ask her where it came from, and she looks up at it but is going through another box and misses the look on my face, and says that she used to be friends with a girl that we both knew from school named Derenda, and that she had brought it over to play when they used to swim together in junior high and had left it. I said that wasn't possible, because that was my handwriting and my tape, and told her whom I had made it for and why. She didn't believe me, so I went to get Tape 1 out of my box, and she came with me. I did. Along with Tape 2 - exactly the same as the one she had down to the nuances of my handwriting, but with half of the label on one side ripped off.
Bear in mind that these tapes contained, in part, songs that were not released yet when my wife was in junior high.
This was only one of a large number of unusual but more mundane things going on at the time, like the Sheriff's Department investigating the murder of a friend of mine, our marriage generally (I was 17, she was 16), and other misc oddness. There were also some other really strange occurrences that I had dealt with with less proof, like a laundromat that had disappeared with no trace but the sign, which no one in the area could explain why it was there, but two friends and I remembered it. A visit from someone who claimed to be me from the future wanting me to know that I would be alright (complete with a futuristic Corvette wagon that I described and a friend drew, which caused him to become alarmed and get back in touch with me *this year* due to its great similarity to a current model), a couple of years before. And a slew of little ways things seemed to change all the time - historical capitals in encyclopedias, the people holding minor cabinet positions, a friend's sister's name, little details like that.
So we didn't know what to do with this, anymore than we knew what to do with a lot of that. We showed the two tapes to a few friends, and that was pretty much it. They all went back into my tape box - including her Tape 2. I had a CD player in the car at time time, so I wasn't really playing cassettes all that often.
A couple of years later, we had lost that car due to all the financial whirlwind related to my mom going to prison for my friend's murder. So we had another one, and it had a tape deck, so I pulled out my tapes. Tape 1 was there. HER Tape 2 with intact label was there. The other Tape 2 was missing - no explanation. We started playing them in the car in rotation with the other tapes.
One day in the summer, it was hot, and Tape 2 was in the deck. It jammed. I jabbed the eject button repeatedly until it came part way out, then pulled it out by hand. It ripped half of the label off of one side. It then looked exactly like the OTHER Tape 2 had.
We moved not long after, and I haven't seen ANY Derenda's Tape since then, period.
What's that all about? Or the other little changes, which have always happened? There's a strong hint of somebody or something screwing with my timeline, but honestly, I have no frikkin' clue. I DO know that *I* do not have a time travelling Corvette, or any Corvette, nor do I want one (unless it DID time travel, because I'd take a time travelling bicycle, much less a Corvette. Who wouldn't?

).