Image Specifications –
Diez Pesos Macro Study

• Camera: Canon EOS 5D Mark IV

• Lens: Macro lens 100mm macro

• Exposure Settings:

• ISO: 100

• Aperture: f/10

• Shutter Speed: 1/160 sec

• Focus Stacking: 10 images per side

• Lighting: Macro Photography Flash Diffuser with Speedlite Flash Diffuser Softbox to manage harsh reflections and sculpt highlights

• Stability: Tripod-mounted; timer; macro rail

• Processing: Focus stacks blended in Adobe Photoshop; front and back aligned and finished for presentation

Dime – Macro Surface Condition & Component Documentation

Component: Dime (U.S. 10-cent coin)
Material: Clad metal composition (Copper core with nickel coating)
Application Context: Circulating currency, collector evaluation, and numismatic study
Study Type: Non-destructive visual inspection (macro imaging)
OEM Context: Stellantis-style engineering documentation

Imaging Objective

Document the surface condition, strike integrity, and visible wear characteristics of a dime in as-received circulated condition to support numismatic assessment, wear analysis, and archival documentation. Imaging aims to capture edge detail, obverse/reverse relief, and surface features without mechanical handling that could alter condition.

Imaging Methodology

High-resolution macro photography was performed using controlled, diffused strobe lighting to manage reflections on metallic surfaces. Multi-frame focus stacking was applied to maintain full depth-of-field across convex and concave regions, rim edges, lettering, and relief features. Imaging was conducted prior to any cleaning or polishing to preserve original condition and evidence of circulation.

Visual Observations

• Obverse (front) and reverse (back) surfaces exhibit legible relief elements with minor flattening on high points consistent with circulation wear.

• Edge reeding remains largely intact, with localized smoothing on contact points.

• Surface exhibits uniform oxidation and toning, consistent with environmental exposure and handling.

• Minor scratches, nicks, and microabrasions present across both faces, predominantly along the rim and raised relief areas.

• No structural deformation, cracks, or evidence of corrosion-induced delamination observed.

Engineering Interpretation

Observed conditions indicate gradual surface degradation and abrasion consistent with normal circulation wear rather than acute damage. Oxidation and toning patterns suggest exposure to typical environmental conditions. Surface wear may slightly reduce visual relief detail but does not compromise structural integrity. Visual evidence supports further metallurgical or numismatic analysis if grading, authentication, or compositional verification is required.

Use Case

Images support:

• Non-destructive numismatic inspection

• Circulation wear assessment

• Archival documentation of coins for reference or comparison

• Collector grading or historical analysis

Notes & Limitations

This documentation reflects surface-level visual analysis only. No compositional testing, hardness measurement, or metallurgical analysis was performed. Image processing was limited to focus stack compositing and tonal normalization; no alterations affecting structural interpretation were applied.