Mine is in a “standard?” Poster frame – its a couple inches too large in each direction, but not evenly or proportional to the poster. Its keeping it clean and flat for now.
I think custom framing is a bit pricey, but the price is the least of my concerns when I go in – there are so many darn options for frame sizes, designs and colors, then all the matting options, and even 4 or more glass choices – I get completely overwhelmed. I don’t really love my frame, but for a reasonable price, it was done –
Lots o’ SCGC guitars! But never ask which is my fav