u/Remarkable_One3535

Instead of a traditional guest book, we are thinking to have cards/postcards out for guests to write us a little note, and I want to have designated envelopes or places for them to be put into to open on each anniversary.
I am having trouble bringing my vision to life logistically, has anyone done anything similar or have any ideas? Wondering if I should have a letter stand out with the envelopes with each year designated, and guests can put them in whichever.
I also have over 200 guests so I’m thinking to just have years 1-25 and just have multiple to open each year.
We really value handwritten notes and it would be very sentimental to open them over the years.

Any ideas or input would be appreciated!