Lot 42133 – 1909, National Exposition, complete set of nine ABN

1909, National Exposition, complete set of nine ABN stamp-size cut die proofs in black affixed to cards with margin below showing ABN imprint and die number, and die proof of the frame used for the vertical designs marked “Original” at top; in addition the same set of proofs but displaying the die number crossed out in margin and replaced by larger five-figure numbers, 20 items in total, very rare.