
This commemorative coin is a custom STEM-themed challenge coin designed for educational institutions. It features intricate details created with double-sided 3D relief engraving. The obverse displays the school name "SMK ST.ANTHONY" and the slogan "STEM EXPLORER," surrounded by engineering-inspired motifs including a compass, circuit gears, and wheat sheaves, all rendered with distinct depth. Available in three electroplated finishes: Bright Gold, Antique Bronze (antiqued), and Bright Silver. The surface features a fine matte antiqued texture for enhanced durability and oxidation resistance. Ideal for graduation memorabilia, STEM competition awards, alumni gift souvenirs, and campus event keepsakes. Fully customizable options include school name, logo, relief patterns, and metal finish.
SMK ST. ANTHONY STEM EXPLORER Retro 3D Commemorative Coin
Craft Type
Stamping
Dimensions
Size: Round, approx. 4cm diameter Material: Zinc alloy (customizable in copper or iron) Craftsmanship: Double-sided 3D relief, matte antiqued coloring, circular die-cutting, multi-color electroplating (bright gold / antique bronze / bright silver) Colors: Available in three metallic plating finishes—Bright Gold, Antique Bronze, and Bright Silver (adjustable per design artwork) Accessories: Loose coin without base; optional acrylic storage box available
Packaging
Standard packaging: PE bag. Upcharge options for ready-made packaging: PE box, thickened PP bag, acrylic box, tinplate box, velvet box, photo frame, premium leather flip-top box. Upcharge options for custom packaging: backing card, custom tinplate box, custom velvet box, custom faux leather box, custom photo frame, custom wooden box, custom flip-top box, custom drawer box, custom paper blind box, custom waistband PE box, custom resealable bag, custom velvet bag.
MOQ
Minimum order: 30 units
Lead Time
7-14 business days
Explore Our Craft Capabilities
From design to production, we provide end-to-end customization services.
Custom, No Minimum
Start with 10 pieces, free design, and professional team support for quality issues.

Select Use
Pins, keychains, coins, medals, necklaces, printing, and more

Select Process
Hard enamel, soft enamel, 3D, glitter, glow-in-the-dark, stamping

Special Effects
Rainbow metallic, multi-metallic, diamond-embellished

How To Make
From design draft to finished product, the complete production workflow

Production Example
Real customer order: from design to finished product

Pin Backing Options
Butterfly clasp, deluxe clasp, jewelry clasp, safety pin

More Accessories
Magnetic clasp, keychain, lanyard, chain, and other accessories

Metallic Color Options
Gold, silver, nickel, brass, copper and 15 metallic finishes

Creative Products
Puzzle pins, car emblems, and creative metal products

Stock Packaging Samples
Standard package, PE box, acrylic box, tinplate box, flocked box, photo frame, leather flip-top box

Custom Packaging Samples
Back card, custom tinplate box, velvet-lined box, faux leather box, photo frame, wooden box, drawer-style box, blind box, self-sealing bag, flocking bag

