Vintage postcard dating
Types of cards Hand-tinted collotype postcards had very fine grain.They were replaced by offset printed cards during the 1910s because they did not lend themselves to high-volume printing.It is of course possible to find undivided back cards used after 1902 and divided back cards used with older (pre 1902) stamps Stamps for King Edwards reign were issued on 1st January 1902.
Postcards became unbelievably popular in Japan during the Russo-Japanese War of 1904 to 1905.
½d 1st January 1902 - 25th November 1904 Blue-Green 1/2d Yellow Green issued 26th November 1904 Edward VII died on 6th May 1910 The George V 'Downey Head' stamps were issued on 22nd June 1911 (Coronation Day).
Named after the photograph taken of the King by W & D Downey.
Postmarks, Date Stamps and Stamps If the postmark has the location name in English, the date format is day-month-Gregorian year.
If the postmark is in Japanese, the date format is Japanese year-month-day.