![MOTOROLA DYNATAC 1981 pre-release prototype in my hands forever - signed by Dr. Martin Cooper! : r/vintagemobilephones MOTOROLA DYNATAC 1981 pre-release prototype in my hands forever - signed by Dr. Martin Cooper! : r/vintagemobilephones](https://preview.redd.it/q4v4ocnvxb761.jpg?auto=webp&s=81230a11605ea514742de4403eb7f9aaa9985b7a)
MOTOROLA DYNATAC 1981 pre-release prototype in my hands forever - signed by Dr. Martin Cooper! : r/vintagemobilephones
![Muddy vintage lime green 1981 Kawasaki motocross KX500 KX 181 with knobbly tyres tires twin-shock dirt bike MX Moto-X mudguard Stock Photo - Alamy Muddy vintage lime green 1981 Kawasaki motocross KX500 KX 181 with knobbly tyres tires twin-shock dirt bike MX Moto-X mudguard Stock Photo - Alamy](https://c8.alamy.com/comp/AXNWCG/muddy-vintage-lime-green-1981-kawasaki-motocross-kx500-kx-181-with-AXNWCG.jpg)
Muddy vintage lime green 1981 Kawasaki motocross KX500 KX 181 with knobbly tyres tires twin-shock dirt bike MX Moto-X mudguard Stock Photo - Alamy
![Honda motorbike bought in 1981 that has ZERO miles on the clock goes up for auction for £2,000 | Daily Mail Online Honda motorbike bought in 1981 that has ZERO miles on the clock goes up for auction for £2,000 | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/10/03/11/48701713-10054129-image-m-3_1633255295405.jpg)
Honda motorbike bought in 1981 that has ZERO miles on the clock goes up for auction for £2,000 | Daily Mail Online
![No Reserve: 1981 Moto Guzzi V50 Monza for sale on BaT Auctions - sold for $5,500 on November 29, 2018 (Lot #14,456) | Bring a Trailer No Reserve: 1981 Moto Guzzi V50 Monza for sale on BaT Auctions - sold for $5,500 on November 29, 2018 (Lot #14,456) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2018/11/1981_moto_guzzi_v50_monsa_1542664327e5029D8O5276.jpg?fit=940%2C627)
No Reserve: 1981 Moto Guzzi V50 Monza for sale on BaT Auctions - sold for $5,500 on November 29, 2018 (Lot #14,456) | Bring a Trailer
![No Reserve: 221-Mile 1981 Moto Guzzi V1000 I-Convert for sale on BaT Auctions - sold for $7,700 on April 11, 2023 (Lot #103,664) | Bring a Trailer No Reserve: 221-Mile 1981 Moto Guzzi V1000 I-Convert for sale on BaT Auctions - sold for $7,700 on April 11, 2023 (Lot #103,664) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2023/03/1981_moto-guzzi_v1000-convert-automatic_img_8877-92084.jpeg?fit=2048%2C1364)
No Reserve: 221-Mile 1981 Moto Guzzi V1000 I-Convert for sale on BaT Auctions - sold for $7,700 on April 11, 2023 (Lot #103,664) | Bring a Trailer
![No Reserve: 1981 Moto Guzzi CX100 Le Mans for sale on BaT Auctions - sold for $7,150 on August 14, 2022 (Lot #81,441) | Bring a Trailer No Reserve: 1981 Moto Guzzi CX100 Le Mans for sale on BaT Auctions - sold for $7,150 on August 14, 2022 (Lot #81,441) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2022/06/1981_moto-guzzi_cx100-lemans_img_3436-5-60234.jpg?fit=940%2C627)