It used to be mine, now it's used on a daily basis in a 24/7 basis in a health care setting... Although now people don't want to use is because it's a little too otaku.
Maybe about 1-2 years of wear on it. Lots of varied typers, who wash their hands and use hand gel a lot.
Filco keycaps will get pretty ugly over time, good think they can be replaced

F5 button cracked at the stem keeping part of the stem lodged in the keycap.
Maybe I'll sell this keyboard as like new condition with signs of minimal wear

Wha!?
Is that yours? How long you had it?
I bet it's minging under the caps as well.
Brings a different perspective.
That is truly making me ill...
LOL @ F5, A, E, S, M, N