All years are model specific and should be taken with a grain of salt: 1. From 1952 to 1961 Gibson used the alphabet (backwards) to indicate what year the guitar was produced (only flattops, sometimes).Why did they go backwards and randomly decide to quit in 1961? Here is a breakdown of what it looks like through the years: (from the website Vintage Guitars Info) 1952= Z1953= Y1954= XEtc. The ’46 will be coming soon but the ’43 is in Jason’s shop and it may take a while.Dating a vintage Gibson guitar can often be quite a process.Someone that looks at these guitars a lot could notice a few indicators of what time period this one came from. 19 Fret neck, small “teardrop” pickguard and tall thin and scalloped tone bars (1942-1954) 3. Here’s the kicker: the Factory Order Number and letter designation.
It had been posted for months along with a 1936 Gibson L-00 and had not sold.I am very very careful when tuning and luckily, it never needs much!These are two pictures of the underside of the top of this guitar.The J-45 is one of Gibson’s flagship models that is commonly referred to as “The Workhorse”.They were all made the Jumbo body size with X-bracing using hide glue to keep it all together.
You can see that the plastic on the original Kluson tuners has gassed and shrunk over the years.