I have recently come across a blog that I think is most interesting. While the primary theme may not be about cards, it does have a "vintage" feel to it and will certainly capture your sense of imagination (at least it has mine).
If you have ever thought about what baseball was like "way back when", like in 1924, I encourage you to take a look at 1924 and you are there
The blog started on February 5, 2009, this is the opening photo and the first sentence reads: "Welcome to a most unusual website. It is for lovers of pure baseball . . . "
I, for one, am a "lover of pure baseball" and this blog is now a daily read of mine.
Varied Colors - 1961
42 minutes ago