1934 REO Self Shifter Promotional Brochure. PROOF - of complete owner satisfaction with the new REO Self-Shifter. REO reproduced a few of the letters received from hundreds of satisfied Self-Shifter owners in all parts of the United States and included in this brochure entitled PROOF. They are ample proof of the complete satisfaction experienced by Self-Shifter owners in all types of driving conditions. Condition: Some rust on staples. See pics. No Pics.