Hi Guy,
I'm not exactly sure - or in the loop - regarding your points about the "disappearing Camaratta codex." I do want to say a few words regarding the "codex" approach and the "dating" approach that Alan F. has adopted.
I like the codex because, in a single word, I can get an idea of the major aspect of a set. "Anderssen" knights are easily recognizable, as are the bishop's mitres, and with some variation, the rest of the pieces. So if I am told that a set in an Anderssen, I know generally what it looks like without even seeing the set. (So long as the person telling me also knows the codex.)
The dating system is equally useful. For example, saying a set is circa 1900 also evokes a certain series of design aspects, knight appearance, etc.
I think where dating falls short is that is requires a precision that the "codex" does not. The codex merely orders sets in a purportedly chronological progression and occasionally attaches a date range to the classification where sufficent data exists to say the extreme date ranges of sales/production of that style of set.
Using a dating system, however, raises several issues. Because the "date range" or "date" is the classification category, we need more data to support any conclusion as to what sets fit into that date range.
Also, we know that set styles overlapped in terms of sales dates and possible in production runs. So, in a dating system, if I were to say, "A set, Circa 1855-60" we might have a set with a dropped-jaw or one without.
Finally, I note your (Guy's) comment about a Jaques 3.5" currently up for auction. (You were mad about the photos) That set has a label with the date "1910" handwritten onto the top portion. Was that the date the set was purchased? The date it was manufacturerd? The date it was gifted to a close friend? If it isn't the date the set was made, how can we know the set wasn't produced in 1908 and it took two years before it was sold... and really, does it make a difference at all? It's a "Marshall" style.
Best to all,
James
PS: Professor F, my critique is not intended to be personal in any way.
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Edited by cousja01 at 07/14/2010 7:02 PM PDT