cover 1930, Second 'Columbia' Transatlantic flight cover (AAMC #21c), franked with 4c Lilac Rose (148, Gibbons 167), tied by Harbour Grace OC 9 30 c.d.s., portion of small diamond-shaped postal marking at bottom, with autograph signatures of the pilot and navigator at sides, Saxmundham (England) 13 OC 30 backstamp, light overall cover soiling,

Details
cover 1930, Second 'Columbia' Transatlantic flight cover (AAMC #21c), franked with 4c Lilac Rose (148, Gibbons 167), tied by Harbour Grace OC 9 30 c.d.s., portion of small diamond-shaped postal marking at bottom, with autograph signatures of the pilot and navigator at sides, Saxmundham (England) 13 OC 30 backstamp, light overall cover soiling,

VERY FINE, RARE, A 'SUPPLEMENTARY MAIL' COVER FROM HARBOUR GRACE BEARING NORMAL POSTAGE AND PAYING STANDARD POSTAGE RATES, AAMC $500.00 photo est.