previously, I assumed spiro cancels were silk screened over value sheets. the B8 shown may offer a test print.
unknown sheet ... U01- p16-20;21-4 this block breaks the rule ...
NJN
the PLATE was assembled from 3 sub blocks ... arrayed top to bottom .18 sub-blocks *were prepared : 54 radials - the result. ... each is unique - either "jokohama" or "nagasaki" .
these 18 modules : MXC... a,b,c were loaded randomly to produce varied final prints of the different sen values.
(thanks to Florian Eichhorn, ISJP BPP)
KNOWN sheet and B9 below ... readers are urged to send scans of spiro forgeries @ 300dpi ...
Cancel analyis and synthesis. Having examined the sheets very closely, I determined there we 54 distinct radials
of “Nagasaki” and “Jokohama”. Further, these were patterned in blocks of 3, and repeated randomly on
subsequent prints, intervalue. This is demonstrated in the following table …
Block / Usage
JJJ1 10b-01
JJJ2 10b-01
JJJ3 10b-01
JNJ1 01a-01, 04b-01
JNJ2 005a-03, 02a-01, 05b-02, 10b-02
JNJ3 05b-01
JNJ4 005a-02, 04b-02
JNJ5 005a-01, 10b-03
JNJ6 02a-01, 05b-02
JNJ7 005a-03, 10b-02
JNN 005a-01, 10b-03
NJJ 01a-01, 04b-01, 05b-01
NJN1 005a-02, 04b-02
NJN2 01a-01, 04b-01
NJN3 005a-01, 10b-03
NJN4 005a-02, 04b-02
NJN5 02a-01, 05b-02
NJN6 005a-03, 10b-02
note - petal extension in kiku ...
