I think that's a wonderful idea Lynn.  We purchased a small box (actually not really given a choice so they may be playing on the emotions of the moment) for both with a small gold plaque engraved with their names and dates (just the years, not months and days).  The one we picked this time has a little slot for a photo but the first one did not. 


'I want a little sugar in my bowl, I want a little sweetness down in my soul... what's a'matter Daddy, come on save my soul, I need some sugar in my bowl, I ain't lyin'...'  Nina Simone, iconic