I gave my wife a basic card (hedgehog holdking a flower, blank inside) with a few basic thoughts. I only know she received it because I saw it in her purse while getting our checkbook.
Your H is starting to respond a little to you. Don't chase. Keep doing what you're doing. If it feels safe, maybe suggest a low-key dinner together, but I wouldn't go lavish on gifts or anything.
BD
My latest
Me: 36 W: 35 2 D: 9 and 5 T: 16 years M: 12 10/4/06: Bomb 10/5/06: Ended A 4/22/07: ILYBNILWY