1925, 5c, blue, on printed Airmail letter from NEW YORK to PORTO RICO via LAKEHURST by US Airship Los Angeles, cancelled with NEW YORK APR 25 and additional 1925 handstamp and red AIR MAIL SERVICE NEW YORK APR 27 1925, also VIA AIR MAIL label, reverse with MAYAGUEZ P.R. May 5 1925 REC D arrival cancel, scarce and desirable, XF! Estimate 800€. (Image)