The Platinum x Pen Stars 3776 Century “Astro” is a special edition shop collaboration 3776 Century with a standard glittery, translucent body in deep blue, with a dark green cap and lighter green section and finials, finished with silver trim. The 14k nib bears the Pen Stars logo and was available in F, M, and B. It was released in November 2025 with a very limited run of 150pcs. It was sold by Pensachi for $450US, while other online resellers had a range of price points.
Pen Stars was a Japan-based online shop that specialized in limited edition pens. It closed in May 2026.
