#1
This must have been discussed before but I can't find it easily with this search device.

Does anyone here know when Martin beefed up their designs and made them physically heavier?

Was it after 2000, or all the way back in the 1980's?

I can tell the difference just by lifting one but that's all

I will also have to search for production dates vs serial number unless someone has a link?

thank you for your help