Sigh!
You still have not explained your numbers
Catalogues? Are we just left to guess?
Quote:
RJP0579 & RJP0580 from my collection.
These are certification stamps issued by the Ishikawa Prefecture
We can only guess silk
Ishikawa was a centre for silk production
The script written probably dictates the width length etc of the cloth it was attached to.
Paraphrasing Mr. Tony MacGillycuddy.