Pied gave you what you need to know, but I'll add that my "good" flute is an Armstrong 80 (no B foot). WWBW had it listed in '82 for $1000. It's a solid player still, and I use it for my practice flute. I did have my repairman tweak the keys' action after I played a Gemi 500-something anniversary flute with keys that just flew. He did what he could to make my "20-year-old $1000 flute play like a brand-new couple-something grand flute" (his words, and he succeeded pretty well)
Is it as good as my Yami? No. But then it's 24 years older, and $4500 MSP cheaper, and nothing handmade on it.
Is it reliable and very useable even for performance? Absolutely! I'd have no qualms to play solos on it if my Yami had a last-minute issue. And I play most of the Band's concerts (outdoors) on it. In fact, it would still be my good flute if Brooke-Mays hadn't stupid-cheap close-outed the Yami. Its last time in the shop was something around 2002-4, after I played that Gemi piece of lightning. I can't recall it ever having issues where something didn't work on it. Only shop work has been pads and the voluntary key action, and an upcoming total cleaning 'cause I noticed the start of tarnish on the lip plate plus general crud around the posts.
I love my Armstrong, just in case you couldn't tell