### **Vintage 1983 USGS / NASA Shaded Relief & Surface Markings of Io: Colchis Region (I-1550 / Ji-3)**
Up for sale is an incredibly rare, pristine original copy of **USGS Miscellaneous Investigations Series Map I-1550**, titled the *"Shaded Relief and Surface Markings of the Colchis Region of Io."* Published in **1983** in close collaboration with **NASA**, this cartographic document captures humanity's early detailed regional mapping of the most volcanically active body in our solar system.
This map covers the geologically complex **Ji-3 (Colchis)** quadrangle. Rather than classic line art, this chart features striking, hand-rendered airbrush cartography illustrated by legendary planetary artist Patricia M. Bridges. The surface details beautifully capture active volcanic plumes, calderas (paterae), and sweeping sulfur flow networks compiled from television imagery beamed across deep space by the historic **Voyager 1 and Voyager 2 spacecraft**.
### **💎 Condition Status: Pristine Collector's Grade Archive*** **Never Used:** This vintage map sheet has been safely archived flat/folded for over four decades. It has never been pinned up, displayed, or worn down in active university research labs.* **Original Envelope:** Comes safely enclosed inside its original, officially printed USGS protective paper envelope.* **State of Preservation:** The map sheet is clean with bright white paper and flawless ink details. The outer envelope shows only minimal vintage shelf/edge wear expected from decades of flat storage. No tape, handwriting, or heavy tears.
### **📦 Shipping & Handling:**We pack historic outer-space ephemera with museum-grade care. The map and its original envelope will be layered between heavy, rigid sheets of thick protective cardboard inside waterproof shielding to eliminate all bending risks during transit. Tracking is automatically included.
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