USA # C20 - C21 - C22 China Clipper over Pacific , Trans Pacific issue . Fresh looking colors , overall centering fairly good and lightly hinged . 3 F-VF OG LH unused mint air mail stamps , 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