Old Koban: 15 Sen Yellow Green
Genuine
Issued 29 Jun 1877 – Scott #64 and Sakura #73
Genuine: unused
Genuine: Black (ink) dot specimen (sumiten)
Genuine: with special cancel used in the official presentation book in 1891 for the Vienna Congress of the UPU.
Forgeries with Genuine
Maeda
Lithographed
With sankō in oval above bottom characters
Wada: Plate 10
Engraved
Six different printed cancels
State I: Original state: fine engraving
State II: Later state: major and rather crude retouching, principally to the oval band, and areas outside the oval band.
Wada: Plate 25
Lithographed
Six different printed cancels
The stamp designs were produced by multiple copying of a common die, but the actual size of the plate is still undetermined. There is some evidence that a much larger plate than six was used and that the same cancels occur more than once in each plate.
Unknown Forgers
With Roman Letter printed “Tokio” cancel
Crude forgery with only 10 petals in crest
The Six Different Wada Printed Cancels
Wada: Plate 10, Printed Cancels
Engraved
