In February of 2021, I decided to seek out an address for Mike Neal. I sent him my card and the following letter.
Mike signed a 1994 Fleer Excel card #46.
https://www.baseball-reference.com/register/player.fcgi?id=neal--003mic
https://www.baseball-reference.com/register/player.fcgi?id=lane--002nol
https://www.baseball-reference.com/register/player.fcgi?id=adair-001mic
I ended up writing and mailing out 11 letters that day. All addresses that I looked up myself, not listed on an autograph database, as far as I could tell.
I found what looked to be a legitimate address for Mr. Kovach, so I wrote him a letter and included my card.
https://www.baseball-reference.com/register/player.fcgi?id=kovach001ty-