VINTAGE..HUGHES 500E/F HELICOPTERS.. ORIGINAL 1-PAGE SALES AD...RARE! (583T)

VINTAGE..1948 SIKORSKY S.51 HELICOPTER..ORIGINAL 1-PAGE SALES AD...RARE! (702N)

1968 HUGHES 500 HELICOPTER "FULL SWING"..2-PAGE ORIGINAL SALES AD...RARE! (377W)

VINTAGE..1955 SIKORSKY S-55 HELICOPTER..1-PAGE SALES AD...RARE! (872R)

VINTAGE..1956 WESTLAND WIDGEON HELICOPTER..1-PAGE SALES AD...RARE! (869R)

NH 500MD-TOW HELICOPTER "BREDANARDI" ..1-PAGE SALES AD...RARE! (255V)

VINTAGE..HUGHES 269A HELICOPTER....1-PAGE SALES AD...RARE! (925T)

VINTAGE..HUGHES 269A HELICOPTER....1-PAGE SALES AD...RARE! (926T)