I'm sure we have members who are knowledgeable about that era of Fernandes (et al) but until they reply this is what AI has to tell us...
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If you’re trying to figure out what this Fernandes P‑bass actually is, here’s a breakdown based on the features you’ve described.
The serial number **5021593** on the neck plate unfortunately won’t tell you much by itself. Fernandes didn’t use a consistent or date‑coded serial system during this era, and neck‑plate numbers in particular are basically production or batch numbers rather than true date markers.
The real clues are on the **headstock**. The combination of:
- **“Fernandes Limited Edition”**
- **“Electric Sound Research Group”**
- A classic **P‑Bass layout** with a single split‑coil pickup
…points very strongly to a **mid‑1980s Made‑in‑Japan Fernandes**, most likely from around **1984–1987**. This was the period when Fernandes was producing high‑quality Fender‑style instruments through Japanese OEM factories, and the Limited Edition line fits right into that timeframe.
Your bass lines up closely with models like the **PJR‑45** and other Limited Edition Precision‑style variants from that era. Typical specs for these include an alder body, maple neck with rosewood board, 34" scale, and standard P‑Bass electronics.
Regarding the **snakeskin covering**: Fernandes did *not* offer factory snakeskin finishes on P‑bass models in the mid‑80s. They did experiment with snakeskin‑style finishes on some later guitars (mostly Revolver and Vertigo models), but not on Precision‑style basses from this period. In the 1980s, snakeskin wraps and coverings were a very popular **aftermarket mod**, especially during the glam‑metal era. Many players or retailers applied vinyl snakeskin, faux leather, or patterned wraps to otherwise standard instruments. It was common enough that a lot of Japanese‑market Fernandes basses from this era show up today with custom coverings that were added either by the original shop or a previous owner.
If you want to check whether yours is a wrap or a full refinish, look for seams along the body edges, or check inside the neck pocket or pickup cavity—if you see the original paint underneath, it’s definitely an aftermarket wrap.
If you want to pin down the exact year, the most reliable method is to **remove the neck**. Fernandes often stamped dates or model codes on the **neck heel** or inside the **neck pocket**, and those markings will give you a much clearer answer than the neck‑plate serial ever will.