Could it be you are referring to the Yamaha YFL-481HA/LPGP (same as YFL-481H but with gold plate lip plate)?
<Added>This site :
http://www.mysimon.com/9015-11130_8-29545046.html offers the YFL-481HA as a B foot and gizmo key instrument, similar in other aspects to the YFL-481
Yamaha YFL-481HA Intermediate Flute
Price Range: $1653
Product rating:
Same as YFL-481 except B footjoint with gizmo key. This Yamaha Intermediate flute offers the durability of standard flutes while producing greater resonance. Features an improved scale for better intonation and an undercut, beveled embouchure hole for a clean attack, sensitive response, and accurate intonation. Improvements include a stronger post design to prevent post bending, accessible adjustment screws, improved adjustment screw material, and a body mark for footjoint alignment. Also features a sterling silver headjoint, silver-plated nickel silver body, footjoint, and keys, and neoprene bumpers. All Yamaha wind instruments come with a limited 5-year warranty.
