and WU follow the same rules as NP
All the known WK and WU
seals are FLAX seals
seal represent a much smaller state or
district control than the normal NP control.
of flax seals before 1829 have
the designation NP .. tens
of thousands of them ..
sometimes the seal maker carved Cyrillic letters such as
IП, or P
instead of NP
(note though that SP is a hemp seal)
WK Wasnikow, Wjasnikow (Vyaznikovsky) region in Vladimir
Province, east of Moscow, has a modern flax industry .. and could
be the source of Wasnikow flax.
WU could be
independent Island of Gotland.