There were different types in the style of character "寳"(kan), one of which the second stroke of top part of "寳", the last character of 寳永通寳, was long and the other one which had a short stroke, and they were called by "deep top" and "shallow top" respectively, and the weight was 2.5 monme (9.37 grams) (monme is the unit of weight) and 2.3 monme (8.62 grams) respectively, which means "shallow top" was lighter.
末尾の「寳」字のウ冠の第二画が長いものと短いものが存在し、それぞれ「深冠」、「浅冠」と呼ばれ、量目はそれぞれ、2.5匁（9.37グラム）、2.3匁（8.62グラム）と「浅冠」の方が軽い。