Antique Enamel Whistle Necklace

I'm getting Alice in Wonderland vibes here or perhaps it's meant as a visual pun of sorts on the card game Whist; this wonderful circa 1900 antique sterling whistle is decorated with a playing card pip motif in red black and white. It has a robust tweet and comes hung from its original black silk cord with sterling silver and marcasite studded findings.

Details: The whistle measures approximately 2" long and 1 1/4" across, with a necklace length of 29". Marked for sterling on the back with English hallmarks.

Condition: In excellent condition with a light patina to the silver but no chips or scratches to the enamel surfaces. The cord has light wear but is still strong and supple.