We have those too.
Ours are from an adobe later used as a cowboy bunkhouse.

However, regarding the V shaped spacer like things - our are not 
brass/copper they appear to be a lead based metal.  Are your V shaped things 
indeed cuprous?

----- Original Message ----- 
From: "John Worth" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, June 04, 2011 4:46 AM
Subject: Copper alloy rivets


> Dear all,
> I'd appreciate some help dating and identifying some copper-alloy rivets 
> we
> have found on an 18th-century Florida mission site (Mission San Joseph de
> Escambe, c1741-1761) which also has a nearby late 19th-century sawmill
> (c1866-1884) which could also be associated with these items.  Perhaps a
> dozen sets of these rivets and washers were found in the upper level of a
> single 1x1m unit at this pristine, unplowed site, in the immediate 
> vicinity
> of a large post-on-sill wall trench structure we have tentatively 
> identified
> as the Spanish cavalry barracks built in 1760 (the site was garrisoned for 
> a
> little over a year and a half; project blog linked below for additional
> context about the site).
>
> Here is the link to the photos on Flickr:
> http://www.flickr.com/photos/pensacolacolonialfrontiers/
>
> The shafts of the rivets are smooth, and the heads are plain except for 
> one
> with a raised star, shown in one of the pictures.
>
> Thanks,
> John Worth
>
> -- 
> John E. Worth, Ph.D.
> Assistant Professor, Department of Anthropology
> University of West Florida, 11000 University Parkway, Pensacola, FL 32514
> Phone: (850) 857-6204    Fax: (850) 857-6278
> Email: [log in to unmask]
> Home Page: http://www.uwf.edu/jworth
> Graduate Advising Resource Page:
> http://www.uwf.edu/jworth/teaching.htm#Advisement
> 2011 Field School Blog: http://pensacolacolonialfrontiers.blogspot.com/


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