though it wasn't updated since 2016 and will not be updated in the future
the Studio LT is not in the wiki
the serial# tells us when and where an €pi had been made
the format is : YYMMFFRRRRR
YY = year
MM = month
FF = factorycode
R = ranking/batch/whatever
for example: 23071512345 would be July 2023 made at their own factory in QingDao, China
for example: 22112312345 would be Nov 2022 made at the Samick factory in Indonesia
for more information about serial# take a look here:
YYMMFFRRRRR In 2008 models begin to appear without a factory i.d. letter prefix. YY = Year of manufacture MM = Month of manufature FF = Factory I.D. RRRRR = Ranking number Example: 08121520333 = 2008 / December / factory 15 / unit 20333 NOTE: Pre 1994 productions also frequently omitted...
That's the number stamped into the headstock on the back at the top, above the tuning gears.
If I understood you correctly, that means my guitar was produced in 2019,in February, at factory 15 which is Qingdao, China, and was number 25,844 produced there.