Oh No, They're Selling Kenny!

[crunchee]

No affiliation.  IIRC, I think this style/type of metal stick-on letters found it's way on more than a few '50's and '60's guitars, including similar stick-on metal letters on Elvis' Martin D-18.  Even has a Guild 'ghost' label in the interior: 

M-20 '59 – Dave's Guitar Shop (davesguitar.com)

Elvis' 1942 Martin D-18 (scottymoore.net)

Edited to add:  It appears that this type of lettering/personalization was popularized by a company that called them 'autograms' :

Scotty Moore - Signa-Craft Metal Monogram Initials

[Tortious]

I like the description they put on it:

"* Please note - this one was once owned by Kenny" 🤩

 

[Cboss]

[Cboss]

1 hour ago, Cboss said:

He's got a good power chord going there, you can just hear that distortion rip LOL

[santellavision]

It was popular back in the day to put names on your guitars. Bonamassa owns this oldie.