An old no-name nylon acoustic that arrived with a #8 nail pounded into the bridge to keep it attached to the top. Soon after I got it the neck started to come loose. I let my youngest whack on it with a hammer but he didn't damage the back and sides so I made it into a planter where it held various greenery until it finally rotted back into the earth from which it came, which took about six years. That's the longest I've owned any single guitar.

Out of my current lineup I've owned my '58 Les Paul Historic for over a year now and I still have no intention of letting that one go or will ever likely let it go.