NMNH A404234: Copper Frog (Small) Gold-Plated

Primary Title:
NMNH A404234: Copper Frog (Small) Gold-Plated
Alternate Title: Owner Object Name
Copper Frog (Small) Gold-Plated
Keyword Type: Object Class
Pendant
Keyword Type: Object Sub-class
Zoo-Frog
Keyword Type: Owner Provenience Record Type
Accession docs/letters
Keyword Type: Exam Methods
Visual Microscopy
Identifier: Object Number
NMNH A404234-0
Identifier: Owner Accession Number
A404234-0
Identifier: Owner Catalog Number
202030
Note: Owner Information Source
PreColumbian Master; Panama Gold
Note: Object Description
Small open back cast frog pendant with ball/globular eyes, suspension loops for arms, hemispherical body, legs projecting out from the body and flat rectangular feet.
Note: Owner Accession
"Collected in 1951 by M.W. Stirling at site on the Rio San Pablo, 4 miles above Sona" Accession docs
Note: Condition Review
Covered in green thick green corrosion crust and brown accretions. Missing proper right suspension loop, part of proper right foot, and has numerous chips along the edges and on the PL eye, exposing a black core.
Note: Follow-up Notes
Appears mostly mineralized
Note: Analysis Recommendations
XRF X-ray radiograph
Time Period: Examination Date
11/21/2008
Place: Object Origin
Geographic Zone: VGC-Pacific Country: Panama Province: Veraguas Site: Rio San Pablo, About 4 Mi. Above Sona Place Time Period: Site Period
Place: Curation Location
Local place: 1103A00402
Actor: Object Excavator
BAE
Actor: Owner Accession Source
Bureau Of American Ethnology; 1954-Apr-28; Transfer; 11 specimens
Actor: Object Owner
NMNH
Actor: Examination Operator
ACH
Condition: Corrosion
Note: Green-surface; Black-core.; Green-core. The break edges reveal a black, mineralized core with veins of green corrosion inside. The exterior is almost completely covered in a thick layer of light green corrosion crust
Condition: Coloration
Note: Gold
Condition: Pseudomorphs
Note: None
Materials:
Gold Alloy Note: There is some gold visible at the surface but the interior alloy appears black and mineralized
Technique: Fabrication Method
Cast- Open Back Note: Open back cast. Interestingly the eyes are also hollow cast, rather than being whole balls of wax added to wax model.
Technique: Joinery
Note: No evidence of joinery outside of wax model
Technique: Finishing
Note: Surface Enrichment Polished. Shiny gold layer on surface with mineralized black interior
Measurements:
Type:Number of Components Value:1 Units:components
PIDTypeTitleMetadataURL
si_2769643A404234_a_20081128_ach for pid si_2769643A404234_a_20081128_achDownload
si_2769644A404234_b_20081128_ach for pid si_2769644A404234_b_20081128_achDownload
si_2769645A404234_c_20081128_ach for pid si_2769645A404234_c_20081128_achDownload
si_2769646A404234_d_20081128_ach for pid si_2769646A404234_d_20081128_achDownload
si_2769647A404234_e_20081128_ach for pid si_2769647A404234_e_20081128_achDownload
si_568e851577620CSV iconAnalysis Results (NMNH 4042340)Download