Shop › 6x4.75 bronco black & white Image 1 of 1 6x4.75 bronco black & white $40.00 sold out 6×4.75 unframed oil on paper study. Due to nature of study, can take 1-2 weeks to ship. Sold Out Added! 6×4.75 unframed oil on paper study. Due to nature of study, can take 1-2 weeks to ship.