The Douglas Sky Fly Rod (3wt, 10ft, 4pc, model 3104) in excellent condition is a high-quality rod designed for precision and versatility, particularly in technical dry-fly and nymphing applications. Here’s a quick breakdown of its features and value:
 Key Features:
– Model: Douglas Sky 3104 (3wt, 10ft, 4pc)
– Action: Fast-action with a sensitive tip (ideal for Euro nymphing or delicate dry-fly presentations).
– Construction: High-modulus graphite for lightweight performance and durability.
– Length/Weight: 10ft 3wt—great for mending line at distance and tight-line techniques.
– Condition: Excellent (likely minimal use, no scratches/damage, original tube/reel seat included).  
 Why It’s Special:
– Euro Nymphing: The 10ft length provides superior line control for competitive or technical nymphing.
– Dry Fly Precision: The fast action recovers quickly for accurate casts while maintaining sensitivity.
– Portability: 4-piece design makes it travel-friendly.  
 Pricing Estimate (Used Market):
– New Retail: ~$500–$550
– Excellent Condition (Used): ~$350–$450 (depending on demand, accessories, and original packaging).  
 Who Should Buy It?
– Anglers targeting trout in small-to-medium rivers with technical presentations.
– Euro-nymphing enthusiasts needing a sensitive, long 3wt.
– Those seeking a high-end rod at a discount vs. new.  

 Selling/Buying Tips:
– For Sellers: Highlight the condition, include original tube/case, and mention any warranty status (Douglas offers a limited lifetime warranty for the original owner).
– For Buyers: Verify the rod’s condition (ask for close-up photos of guides, blank, and reel seat) and check if the warranty is transferable.  
If you’re listing it, platforms like eBay, Fly Fishing Forums (e.g., Fiberglass Flyrodders), or Facebook Marketplace are ideal. Let me know if you need help with pricing specifics or listing details!