16x22". Text of poster includes "Confidential Notice/Reward $25,000 For Information Leading To The Arrest And Conviction Of The Person Involved In Kidnapping And Murder Of Charles A. Lindbergh, Jr./Confidential Notice To All Postal Employees/Any Employee Who Observes Any Handwriting Which He Thinks Is Similar To The Above Specimens Will Kindly Report The Matter To His Superintendant At Once And The Superintendant Should Communicate With The Post Office Inspector In Charge Immediately." Center of the poster has black and white photos of the ransom note envelopes and text. The caption below the photographs includes "This Circular Is For The Information Of Postal Employees ONLY. Attention Is Called To Certain Peculiarites In This Writing, Such As The Letter "K" And The Letter "T" without crossing. The poster shows wear at the one vertical fold and numerous horizontal folds. Margin splits could be easily matted out and would display VF. Very limited distribution. Much scarcer than the "Missing Child" variety.