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  Investigation Profile # 7. :

NutmegGraters.Com plans to publish Profile #7 within the coming weeks. The study material is complete and drafted.  Come back later to read the full and complete profile. 

Following is a brief summary synopsis ~

Scientifically discovered using ED-XRF assessment, the silver standard mark (11OZ) was shown to significantly misrepresent a nutmeg grater's silver "fineness".  This problematic standard mark reflects a spurious attribution to its makers mark for the silversmith "A. E. Warner" of  Baltimore

"Numerical quality marks first appear after the passage of the 1830 Assay Law.(37) The new law required silver that was not assayed to be marked with a numeral which indicated the amount of silver contained per troy pound of twelve ounces. Thus, the numerical quality mark '11' refers to the Old Baltimore assay standard alloy composed of 11 ounces of pure silver to 1 ounce of base metal (Figs. 15 a-c) The often-seen mark '10.15' refers to the common coin standard of 10 ounces and 15 pennyweights (dwts.) pure silver to 1 ounce and 5 dwts. of alloying metal (Figs. 16 a-c) (38) Most of the silver made in Baltimore between 1830 and 1860 carries one of these marks or a variation such as '11/12". Occasionally A. E. Warner used an "11 2' mark to designate the sterling standard (Fig. 17). A rare mark used by S. Kirk employs the word 'crown' over '10.19' to indicate that the quality is that of French coins (Fig. 18). The use of these numerical quality marks continued late into the nineteenth century with S. Kirk & Son using marks '11OZ' and '10.15' as late as the 1890's." (Page 32, Jennifer Faulds Goldsborough, 1984.)


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