SEMI-OFFICIAL AIRMAILS: ESTEVAN-WINNIPEG: CLP5: ($1) black on red paper, corner fault, plus 1ยข Admiral yellow strip of three all tied by VIA AEROPLANE Oct 1st 1924 ESTEVAN, SASK. violet ovals to Winnipeg, on fully illustrated back, roller cancel Winnipeg "YOUR POSTMAN SELLS STAMPS", pilot Colin A Manlove hs, fine. (AAMC CLP5-275) (Image)