I have a Yamaha flute F100AS serial number 001889 and I am wanting to know what it made of. I was told it was silver plated when I was younger but I wanted to check. Do you have any suggestions?

A Bundy is the low end of the Selmer line intended for students. Therefore it is at best a sliver plated instrument and depending on its condition might be worth 100 to a couple hundred dollars.

Looks like this question has been asked many time; Check this forum for help:
https://forum.saxontheweb.net/showthread.php?213910-Help-identifying-Selmer-USA-Flute
Aloha, ukeboy57

Emerson Flutes are an affordable and quality line of flutes made in the U.S.A. and historically the first factory-produced flute to use the William Bennett scale. Designed with exquisite care and painstakingly crafted with the finest materials, the Emerson brand has long been considered one of the best in its price range. Conceived by artisans, flutists and educators these flutes are designed to suit the musical demands of those seeking reliability, beauty of tone, and exact intonation.

Hi Erica.

Conn/Selmer has a web page with dating for a number of their affiliate instruments, though it doesn't look to be complete.
Serial Numbers If it was lumped in with the Conn 'Reed Mouthpiece' Instruments (as opposed to cup mouthpiece, which I'd think of as more 'brass', then it'd look to be 1899. The Artley Flute list starts with a serial # of 10000 in 1952. There appear to be other people out there having difficulty using their charts, and the Customer service page on the website is mum about contacting them directly, and suggests calling a nearby dealer. The dealer page is at
Dealer Locator Conn Selmer Inc

The description makes it sound like an Omega Model, see for instance

SELMER OMEGA STERLING SILVER OPEN HOLE FLUTE WITH CASE


Hoping that helps.., and Happy Holidays
D

This might help but no numbers given for Silver Plate

Model Name Production Period Serial Number Product type YFL-221N WIND INSTRUMENTS > FLUTES YFL-221N(2) WIND INSTRUMENTS > FLUTES YFL-221N(#570961-) #570961- WIND INSTRUMENTS > FLUTES YFL-221N(#754559-) #754559- WIND INSTRUMENTS > FLUTES YFL-221S 1979-1990 WIND INSTRUMENTS > FLUTES YFL-221S(2) 1990-2000 WIND INSTRUMENTS > FLUTES YFL-221(#553445-) #553445- WIND INSTRUMENTS > FLUTES YFL-221(#754559-) #754559-(USA ONLY) WIND INSTRUMENTS > FLUTES YFL-221(#757900-) #757900-(OTHER COUNTRYS) WIND INSTRUMENTS > FLUTES YFL-221GLHP WIND INSTRUMENTS > FLUTES YFL-221DX WIND INSTRUMENTS > FLUTES YFL-221U WIND INSTRUMENTS > FLUTES

Have a look here

http://www.woodwindforum.com/forums/showthread.php?1849-Artley-flute-value

My best advice: take some nice photos of your flute, marks, brands, serial etc. ant take it to a music instrument store where probably some musical guru will tell you this information.
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Here is a flute chart. It is downloadable as well from the same site.

Modern Flute Piccolo Alto Flute

Answer:http://en.allexperts.com/q/Flute-2059/2008/9/Yamaha-flutes-ebay.htm Read the advice here. If you are selling one and are trying to determine the value by the SN that is not the major indicator of value. If you are buying one then this is good advice:http://reviews.ebay.com/The-Insider-apos-s-Guide-to-Buying-a-Beginner-Flute_W0QQugidZ10000000000818282 If you are just curious then your best bet is to contact Yamaha. Here is another site that might help:http://www.yamaha.co.jp/english/product/winds/index.htm