31 十 As much as i see, you’ll find nothing controversial towards dating methods recommended regarding the foregoing
Japanese Schedule Postmarks
The fresh amounts represent rule numerous years of japan Emperors. These types of rule-year/Gregorian diary conversion rates try strongly related to prewar Japanese visualize postcards (1900-1945):
Utilising the guidelines established in over point for Periods We-IV, it certainly is obvious which leadership several months a good postcard falls into. Such as for instance, 12 months “10” can't be Meiji ten (1877), because there was in fact zero visualize postcards in 1877. In the event your postcard was Period III (1918-1933) [it offers a beneficial “ka” in place of a great “ga” in the “hagaki”], next “10” form “Taisho ten” otherwise 1921. not, if your card are Several months IV (1933-1945), then it's “Showa ten” or 1935.
The amount “7” in the year line tends to make a credit either 1918 (Taisho seven) or 1932 (Showa seven), each of and that end up in Several months III. Generally speaking, postcards from 1918 and you will 1932 is good enough more with respect to lithographic tech, thematic importance, or other items to make a determination you can easily.