Pen/ink/paper combination for archival page writing?

Pen/ink/paper combination for archival page writing?

The birth is being expected by me of my first couple of kiddies (twins, in the event you had been wondering just just how which was working) come early july. A very important factor them a letter on their birthday, to be compiled and delivered all together at some point in the future (18th b-day that I would like to start doing is writing each of? graduation? wedding?). The reason is always to share together with them my thoughts/advice/etc on their growing up. Ideally interesting for them in the long run, but undoubtedly helpful for maintaining me personally contemplating my end goal in parenting.

And so the question is. exactly just what pen/ink/paper combination can you suggest? One of the keys let me reveal longevity and magnificence. The letters (paper as well as the ink about it) need certainly to last 20+ years, even longer in the event that young ones think any such thing of these. […]