How do you tell if your Martin Guitar is really a Martin?

[I think the X series]Viper-2 says: Actually, it is only SOME of the X series. My 2 D12X1's are made in Nazareth, PA. Check the inside of the soundhole on the X series and you will see where it is...

Guitars: Martin Acoustics Fender Telecaster Deluxe x 2 Rickenbacker 360 12 String Gibson 335

The value of a Martin D12-35 guitar today is not vested in what the owner wants to assign to it, but more so on what the market buyer is willing to pay. There is considerable inventory in the...

Martin guitars start around $200 for their short scale student model, and go up to around $4000 for their current high-end models. Original pre-war pieces in excellent condition can go for $25,000...

One cannot give the value without a thorough evaluation of the guitar. I have a friend who has a Martin guitar from the period 1850-1870 (estimated at the Martin factory). Martin did not estimate its...