Not entirely. There are a few red seal marks known from the 18th century, but they are rather the exception than the norm. They seem to be rare.
Jan 25, 2011
reign marks by: w j a hugers
red seal marks are i think 19 century
May 25, 2010
Hope this helps by: Winter
Do a search for reign marks as well as most stamping i believe was started around quing dynasty i could be wrong but searching term reign marks under photos will pull alot me helpful charts also famous ppl depictied in art would love to help as i am looking for a very rare one myself and spend days searching [email removed].
