An antique 19th century porcelain medicine spoon by S Maw Son and Thomson who were in business from 1870-1901.
The spoon is graduated into measured for table, desert or teaspoon. The circumference of the spoon is gilded. The side is marked “Graduated medicine spoon registered March 22 1873. S Maw Son & Thompson London”. There is a similar spoon without the gilding on page 252 of “Antique Medical Instruments” by Elizabeth Bennion.