Olaf Wieghorst (1899 - 1988) Airlines Lot

Olaf Wieghorst (1899 - 1988) Airlines Lot
Lot of three pen & ink Native portraits
a) 9" x 6" sight, framed to 13" x 10"
Verso: photocopy of the complete page, drawn on a United Airline advertising piece
b) 8" x 5", framed to 11 1/2" x 8 1/2"
Inscribed: Crow Indian / 31000ft over the / Pacific Ocean Feb 1st/68 / O-Wieghorst - / With kind regards to / Jerry & Dick Flood
Note taped on the back "United Air Lines / Honolulu Time 6:00 / Amateur Navigators Contest:
Your Name: Wieghorst
Seat Number: 3

c) 10 1/2" x 8 1/4", framed to 11 3/4" x 9 1/4"
On United stationary
Inscribed lower right: To Daro / with best wishes / 30000 ft over The Pacific / Feb 18th 1968 / O-Wieghorst