Make: Conn
| Model: Wonder Improved
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 15163
| Date: 1908
Source: www.ebay.com
High Pitch (HP)
Make: Conn
| Model: Wonder
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 30xxx?
| Date: 1914
Source: www.ebay.com
Make: Conn
| Model: Wonder
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 376x
| Date: 1900
Source: www.ebay.com
Make: Conn
| Model: Wonder
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 376x
| Date: 1901
Source: www.ebay.com
Make: Conn
| Model: Wonder
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 778x
| Date: 1903
Source: www.ebay.com
Make: Conn
| Model: Wonder Improved
| Pitch: Eb Alto
| Finish: Silver Plate
Serial #: 8xxx
| Date: 1904
Source: www.usahorn.com