Popularity of drinking coffee increased in the nineteenth century so did the need for cups with a higher volume capacity.
The breakfast cup was born.
The breakfast cup is approximately 3 ¼ inches in height by 4 ½ to 5 ¾ inches in diameter.
The companion saucer measures 6 ¾ to 8 ¾ inches across. V\olume capacity for these cups are usually about 12 oz.