ScooterWest.com - 4" VINTAGE STYLED ROUND 12 VOLT DC HORN FOR MODERN VESPA
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Horn Cover (Chromed); Genuine Stella, Vespa VLX
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136 DB Vespa Horn Mod - YouTube
Vintage Vespa GPM 6 Volt Horn IGM-3075 Scooter Part 10D.75 KM SEE PICS MILANO | eBay