Made in Japan Wtopia × Sunizumi One-Off Forged Laminated Steel EDC Challenge Coin

This is a one-off custom EDC challenge coin created through a collaboration between Wtopia and Sunizumi in Japan.

The body is made from forged laminated steel using vintage iron, giving the piece a deep, layered texture and a strong handmade character. Unlike ordinary metal challenge coins, this piece carries a distinct material story and the presence of traditional forging work. Compact yet substantial in hand, it offers strong tactile appeal, display value, and collectible character.

The coin features a silver skull with bronze apricot blossom detail, along with a bronze Sunizumi motif ornament with silver inlay. These elements bring together Wtopia’s rugged custom style and Sunizumi’s original design language. The contrast between the skull, apricot blossom, and Sunizumi motif gives the piece rich visual depth within a compact form.

A rare one-off collaboration piece that works not only as an EDC challenge coin, but also as a handcrafted pocket art object with strong collectible presence.

Specifications

Collaboration: Wtopia × Sunizumi
Type: One-Off Custom EDC Challenge Coin
Material: Forged Laminated Steel Using Vintage Iron
Inlay / Decoration: Silver Skull with Bronze Apricot Blossom, Bronze Sunizumi Motif Ornament with Silver Inlay
Size: Approx. 46 mm long × 23 mm wide
Thickness: Approx. 9 mm
Skull Size: Approx. 16 × 13 mm
Weight: Approx. 74 g
Country of Origin: Japan

Note

Due to the handmade nature of the item and manual measurement, slight variations may occur.