This is a set of Royal Doulton porcelain in pattern H4957,
named the Richelieu pattern and was in production from
1959 to 1978. Your service of 60 pieces has a current value of
$800 to $1000 retail.
Some sites that I recommend for selling are Varagesale.com, Ioffer.com, OfferUp.com, Ebay and letgo.com.You can also go to invaluable.com or liveauctioneers.com and search their directory for an auction house near you and consign to them.
To finish, I will need you to click the five stars at the top of your screen and hit the submit button, thanks!