Lady's portrait on a porcelain plaque Art Nouveau 1910 to 1930

Small antique pendant with silver frame (hallmarked) and a lady's portrait on a porcelain plaque Art Nouveau probably around 1910 to 1930 the portrait is hand-painted showing a lady with beautiful blue eyes red lips pale face and an orange head covering the frame is made of silver hallmarked with maker's mark "A&S" and the dog’s head hallmark these dog head marks remained in circulation even after the end of the monarchy in 1918 in Austria until 1922 in Czechoslovakia until 1921 and in Hungary even until 1937 before being replaced by national silver marks the bail is also hallmarked twice (marks unknown) age-related signs of use dimensions approx. 3 cm diameter