John Joly

See discussion on John Joly Mineral Collection page.
Krantz?

Stokes?

James Apjohn

Relates to the Apjohn Catalogue
Giesecke/Knox?

Geological Survey Ireland

Unknown – teaching?



K series seen on multiple trilobites, G is an ammonite, H is a belemnite. Similar style but possibly three different systems (e.g. one has a dash, one a dot, one no punctuation)
