![File:Bonhams - The Paris Sale 2012 - Moto Guzzi 498cc Sport 15 Frame - 1931 - 001.jpg - Wikimedia Commons File:Bonhams - The Paris Sale 2012 - Moto Guzzi 498cc Sport 15 Frame - 1931 - 001.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Bonhams_-_The_Paris_Sale_2012_-_Moto_Guzzi_498cc_Sport_15_Frame_-_1931_-_001.jpg/2560px-Bonhams_-_The_Paris_Sale_2012_-_Moto_Guzzi_498cc_Sport_15_Frame_-_1931_-_001.jpg)
File:Bonhams - The Paris Sale 2012 - Moto Guzzi 498cc Sport 15 Frame - 1931 - 001.jpg - Wikimedia Commons
![No Reserve: 1931 Moto Guzzi Sport 15 for Charity for sale on BaT Auctions - sold for $31,500 on January 6, 2021 (Lot #41,481) | Bring a Trailer No Reserve: 1931 Moto Guzzi Sport 15 for Charity for sale on BaT Auctions - sold for $31,500 on January 6, 2021 (Lot #41,481) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2020/11/1931_moto_guzzi_sport_15_1608844986acc551d4c7ed257ePB110127.jpg?fit=940%2C626)
No Reserve: 1931 Moto Guzzi Sport 15 for Charity for sale on BaT Auctions - sold for $31,500 on January 6, 2021 (Lot #41,481) | Bring a Trailer
![File:Bonhams - The Paris Sale 2012 - Moto Guzzi 498cc Sport 15 Frame - 1931 - 002.jpg - Wikimedia Commons File:Bonhams - The Paris Sale 2012 - Moto Guzzi 498cc Sport 15 Frame - 1931 - 002.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/1f/Bonhams_-_The_Paris_Sale_2012_-_Moto_Guzzi_498cc_Sport_15_Frame_-_1931_-_002.jpg)