Home › Search Sign In · Register HPS Forum To get involved, signin or join the HPS! Sign In Register Inverted initials on WIAE cover by ndoire · May 2021 A cover of the Dec. 13, 1927 WIAE flight from PaP to San Juan (Pioneer #8a, WI-5a, MU-12) was recently sold on eBay and it was addressed to L.B. Rowe instead of the correct name B. L. Rowe. Powered by Vanilla