Colombia # 639 and Airmail # C274 , Bolivar's Country Estate , were issued for the 50th Anniversay of Rotary International . Pictorial Post Horn Rotary Emblem cancellation Sep 28 , 1955 , Bogota , First Day of Issue . 2 stamps on 1 cacheted , Emblem , First Day Cover . F-VF , See Scan . $1.50 shipping & handling to a USA address / NO SHIPPING TO CHINA or GERMANY , $3.00 shipping & handling elsewhere . Combine S/H - Add 25 cents more for each additional purchase . Please view my other worldwide listings . Thank You . APS # 196666