Air Post stamps. 1933, ‘‘Latvia – Africa’’ Flight, black overprints or surcharges on the third Bleriot XI issue, complete set of five, three with sheet margins, full OG (three low values with creamy gum), NH, VF, each stamp with expert’s hs on reverse, C.v. $800 (Image)

Air Post stamps. 1933, ‘‘Latvia – Africa’’ Flight, black overprints or surcharges on third Bleriot XI issue, complete set of five, each one with Talsi cancellation, VF, expert’s hs on reverse, C.v. $1,290 (Image)