About 6” tall
Thank you for submitting your item for appraisal. This appears to be a chinese blue white decorated porcelain cup, the outlines are printed, the light blue an dark blue washes are added by hand. The kangx nian zhi mark is rubber stamp printed, production date : very recent. Try to avoid printed designs, this is inexpensive porcelain for daily use. Something you can buy in every Asia Shop today.