The string height is slightly high, but this is not due to warping in the neck and can be adjusted with the nut.
eBay
39 Inch 6 Strings Full Hand-made A Grade Red Cedar Top Rose Fingerboard High Gloss Silent Electic Classical Guitar
Aliexpress UK
Beautiful yamaha silent guitar with gigbag, amazing guitar, free UK mainland delivery no overseas delivery. Thanks.
eBay
Yamaha silent guitar SLG 110s we have transport bag compact and lightweight acoustic-electric designed for ultimate portability and quiet practice. Purchased five years ago secondhand and only used it a handful of times looks great on display There is a small scuff on the bottom of the guitar see picture  Metal strings Sorry, I can’t find the user manual so this is not included in the sale  Will include the stand  Please allow a little extra time for delivery, will have to package up securely and the correct use the courier . thank you 
eBay
Used but excellent condition Yamaha Nylon Silent guitar. SLG130NW. With Yamaha fitted case.
eBay
Yamaha steel strung travel guitar in very good condition , from my personal collection, very well looked after , always kept in its padded case when not used Amazing tones and playability , beautiful guitar Still selling online for £700
eBay
Used Yamaha SLG200N. Inspired by traditional classical guitar design, the SLG200N features a slim neck, thin body, and low action that lets players adopt a more aggressive style, allowing even those players who wouldn't normally choose to perform with a classical guitar to play it with ease.
eBay
eBay
Enhance your Yamaha Silent Guitar SLG100 series with this genuine SLG100 Series B Band Pickup.
eBay