Actually there quite common with both business and proof strikes combined mintage at lest a million or two.In that condition it's worth one cent.
Wish they were rare. I've got a roll of them. Even them not being rare I love when I find a 50 year old coin in circulation.
try not to rain on new members parade, sure it's not worth much, but it's a nice hole filler for an album from circulation to be sure! 1970 S large date. nice pictures also btw.