That is an awesome week even without the 1970d, congratulations, and welcome to the club!!! I've hunted 1,000+ boxes of halves since 2010 and have only gotten 1 of each, 1970d & 1970S
Nice find. Im hoping to join the 70D club (not the 700 club lol) sometime soon myself. I found a '69S half just late last week which might be a first for me. And I also found 2 x '68S halves earlier this year but Im still looking for my first '70S and '70D. Maybe this year will be the year for me too - I hope.
Congrats! My 6 year old found our first a couple of weeks ago. It's a very cool coin to find. I'd rather find NIFC silver than old silver any day of the week.