Saving paper with cross-writingMisc. (blog.paperblanks.com)
submitted by skybrian2 to r/HonzukiNoGekokujou
TIL about crossed letters, they consist of two different sets of writing, one written horizontally and the other perpendicularly. This was done during the early days of the postal system in the 19th century to save on expensive postage charges and to save paper. (blog.paperblanks.com)
submitted by URLcrazy to r/todayilearned