That is almost certainly the mark of Georg Jensen Ltd; produced in Denmark for sale in the UK. Dating the pendant is not possible as Jensen have been in business and selling in the UK for getting on for 100 years.
Cheers Phil,do you no vaule price and merry Christmas
Sorry, no idea of value. Check Ebay’s completed auctions listings.
Georg Jensen pieces do usually get a decent price since he’s such a famous silversmith, known for the quality of his work.