Hi Todd,

Thank you for contacting Mearto with your appraisal inquiry.
Gebrüder Alexander has been making high-quality brass instruments since the 19th Century and instruments made today retail for four- and five-figure prices. The values Mearto provides are fair market, which are typically defined as 1/3-1/4 of retail prices.
Based on the photos and information provided, and subject to examination, this is:

Group of four brass horns
Gebrüder Alexander, of Mainz, Germany, mid-late 20th Century, comprising:
Bb Henkel Symphony trumpet ; Bb Siegfried Coronet; A Soprano Slide Trumpet; Bb Pocket trumpet.
CONDITION: These horns appear to be in good cosmetic condition; not assessed for damage but value is based on the assumption that all are in good physical condition with no dents, repairs or losses.
PROVENANCE: Inherited
$5,000-7,000 for the group*
*represents a fair-market value for auction purposes; retail or asking price may vary.

Please let us know if you have additional items to appraise, or questions/concerns, and thank you again for using Mearto.
~ Delia