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@ bobdob - My (old) Scott Classic catalog has a footnote regarding Japanese #'s 55-84, differentiating postal from telegraph cancellations. I have a few of these with two distinct types of cancels: 1) big black killer cancels in various patterns, and 2) more "typical" circular cancellations in varying sizes with characters within the circles (hmmm, looks like Japanese....) Am I correct in assuming that the killer cancels are the work of telegraph/telephone offices, & the others are postal? Thanks!

Single ring and double ring are postal.

Maruichi cancels: All text in the postmark is read from right to left. In the first line is the province name.. In the second line is the town name. The part below the bisect will indicate if the cancel is postal or a non-postal service offered by the post office (telegraph, telephone, money order, or ?)
Bota Obliterations. All postal. Round or tall oval. On cover always accompanied by a city/date stamp.

Koban stamps were replaced in 1899 by the Kiku series. When comb cancels (introduced in 1905) are found on Koban stamps, they are late uses.
Examples of Genuine Japanese cancels:
http://eng.ssjp.dk/eng_cancels.htmlGenuine Romanji Cancels:
http://www.sanrizuka.com/koban/koban.htmGenuine Bota Cancels:
http://www.sanrizuka.com/koban/Bota-Collection.htmImages of genuine Koban stamps:
http://www.geocities.co.jp/HeartLan...n_index.htmlKoban Forgeries:
http://www.geocities.co.jp/HeartLan...geries_1.htm