Bidspirit auction | Liechtenstein - Air Post stamps

Liechtenstein - Air Post stamps - 1936, Eagles, 10rp-50rp, complete set of five, grilled gum, thee-side sheet margin blocks of 15 (3x5, left parts of sheets), full OG, NH (LH on margin), VF, C.v. $3,750++, LBK #F9z-13z, C.v. CHF5,100++, Est. $1,000-$1,500, Sc. #C9a-13a