＜p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"＞This two-piece blackwood and sterling silver whistle by Abell is pitched in Bb, bearing serial number 1545. The instrument is in as-new condition throughout.＜/p＞ ＜p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"＞The tone is clear and open with a subtle woody quality underneath, giving it a character distinct from all-metal whistles. The upper register speaks freely and is easy to reach without forcing.＜/p＞