Forged with heavy-gauge solid zinc alloy and finished in tactical antique pewter, this custom challenge coin embodies elite honor and enduring craftsmanship. Engineered with an intricate 3D central compass star, four vivid cloisonné hard enamel heraldic shields, steep-wall die-struck lettering, and an ergonomic diamond-cut reeded edge.
Every facet is designed to withstand generations of tactile handling and scrutiny. Explore the microscopic mold precision, color-fill consistency, and multi-tier relief that set our commemorative challenge coins apart.
The focal centerpiece rises with sharp, multi-angular faceted star points elevated 1.5mm above the recessed floor. CNC diamond-milled ridge lines create dramatic light refraction at every angle.
Symbolizing aerial reach and strategic altitude, this round medallion features a silver eagle in dynamic flight over snow-crested mountain ridges, submerged in polished midnight navy blue cloisonné enamel.
Representing steadfast territorial defense and terrestrial exploration, the left heraldic shield showcases deep emerald green enamel accented by a polished gold inner dam line and a faceted silver compass star.
Dedicated to leadership and valor, the right shield incorporates triple winged gold chevrons crowned with a faceted five-point star, framed by brilliant ruby crimson hard enamel and an arch of gold star studs.
Signifying naval dominance and ocean expeditions, the bottom round seal features a three-dimensional gold anchor coiled in detailed silver rigging rope, encompassed by a concentric circle of 13 gold star emblems.
Unlike shallow laser etching or surface ink printing, the outer lettering is stamped directly from the steel master die with steep 90-degree sidewalls, crisp horizontal brushed faces, and dual concentric protective rims.
Holding this coin immediately delivers an impression of authoritative weight. At 4.0mm thick, it is more than double the gauge of standard circulating coins, crowned with a diamond-cut knurled edge that sparkles under light.
Standardized manufacturing parameters built to international mint-grade inspection standards. Fully customizable to meet organizational, military, corporate, and collectible requirements.
| Base Material | High-Density Die-Cast Zinc Alloy (Lead-Free & Nickel-Safe) |
|---|---|
| Plating Finish | Modern Antique Pewter / Matte Silver with Selective Polishing |
| Coloring Process | Genuine Cloisonné Hard Enamel (High-Temp Baked & Hand-Polished) |
| Standard Diameter | 45 mm / 1.75 Inch (Custom sizing available: 38mm ~ 76mm / 1.5" ~ 3.0") |
| Coin Thickness | 4.0 mm Heavy Weight Profile (Custom range: 3.0mm ~ 6.0mm) |
| Edge Treatment | Cross-Cut Diamond Knurled Edge (Reeded / Rope / Flat Smooth optional) |
| Average Net Weight | Approx. 58 g / piece (Varies slightly based on 3D relief volume) |
| Standard Packaging | Individual Sealed Anti-Oxidation PVC Sleeve (Gift box options available) |
| Production Lead Time | 28~35 days for complete custom production and quality verification |
| Minimum Order Quantity (MOQ) | 300 pcs per custom design mold |
Our streamlined custom minting process ensures microscopic accuracy, zero color mismatch, and strict adherence to design tolerances.
Your insignia, slogans, and artwork are converted into a comprehensive multi-layer 3D mold rendering with confirmed Pantone color references.
Hardened tungsten steel molds are carved using ultra-high-speed CNC engraving machines to capture micro-details down to 0.05mm precision.
Molten zinc alloy is pressure-injected into the mold under 300+ tons of hydraulic force, ensuring complete grain density and zero air bubbles.
Cloisonné enamel pastes are manually filled into designated recessed dam compartments, then baked at 800°C for glass-like bonding.
Coins are ground with diamond whetstones until enamel and metal dividers form a single flush plane, followed by CNC knurled edge cutting.
Every single coin undergoes individual manual inspection for plating coverage, enamel purity, and weight consistency before sealed packaging.
Everything you need to know regarding custom challenge coin engineering, specifications, durability, and bulk procurement.
±0.05mm CNC Steel Molds
Hand-Finished Flush Cloisonné
Solid 4.0mm Die-Cast Zinc
Non-Disclosure OEM Security
