The later examples have snap in pads and Norton springs. Most of the examples you will find will be in a satin silver finish. Sopranino $ 2100 Straight soprano $ 2000 Curved soprano $ 2200 deduct 20% if keyed to Eb only C soprano 00 MUST have original mouthpiece!! These horns are much more desirable than any of their ancestors. Some had sterling silver necks (add 20%), very few were silver plated (add 20%), I’ve seen a gold one, although I was not totally convinced it was original. Brown rollers always, as well as snap in pads and Norton springs.
After the mid 1950’s, the Zephyr became an intermediate model, so deduct 30%.
The Zephyr baritone remained essentially unchanged throughout the production run and sound great. The first examples had mother of pearl key touches; sunburst engraving on the bell keys; socket necks; and optional sterling silver necks (add 15%) and sterling silver bells (add 30%).
Most of the Zephyr series was in lacquer, add 15% for silver. Around 430XXX, the Super 20 was cheapened considerably: the neck changed to a conventional style; the bell key engraving eventually went away; the mother of pearl inlay was long since gone. There are a few examples with gold inlay on the silver bell (add 15%), a few rare silver plated horns (I own one, add 20%); and a very few gold plated ones (add 25%).
Prices may vary considerably depending upon the amount and style of engraving. Straight soprano 00 Curved soprano 00 Alto $ 2100 Tenor $ 2800 Baritone $ 3000 Bass $ 7500 “TRANSITIONAL” 240XXX – 260XXX You’ll see these with different keywork styles, and almost always with elaborate engraving. The Conqueror series (26M and 30M) have very elaborate adjustment mechanisms and solid silver key touches.
The Constellation 28M alto has three octave vents and the best feeling mechanism around, along with a high tech (for the era) plastic key guard.
They lost their rolled tone holes after WWII.( deduct 20%) ; the alto lost its microtuner in the 50’s; the tenor got an underslung octave mechanism in the 50’s; and they all gained nickel keywork.