50c Chicago Zeppelin (C18). Mint N.H. pane of 50 with plate no. 21172 at top, narrow selvage at right, few minor telescoped perfs, Fine-Very Fine, Scott Retail as plate block and singles

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50c Chicago Zeppelin (C18). Nice accumulation, incl. 11 Mint N.H. and one hinged single, eight used, three Mint N.H. blocks of four and a Mint N.H. plate block of six, usual natural gum skips and bends, overall Fine-Very Fine with a few nicely centered

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6c Dark Blue & Carmine, Vertical Pair, Imperforate Horizontally (C23a). Positions 43/48 with bottom registration markers and part arrow selvage, Mint N.H., unusually well-centered for this issue, fresh and Extremely Fine, wonderful quality, with 2013 P.S.E. certificate (XF 90; unpriced in SMQ)

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6c Dark Blue & Carmine, Vertical Pair, Imperforate Horizontally (C23a). Mint N.H. bottom right corner selvage block of four, also imperforate horizontally in selvage, bright colors, Very Fine, green Kessler backstamps and with plate position nos. in pencil, Scott Retail as two pairs

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10c Moon Landing (C76). Mint N.H. pane of 32, signed in selvage by Buzz Aldrin, Neil Armstrong and Michael Collins, dated 1/24/1970, Very Fine, an attractive pane signed by the three astronauts involved in the first moon landing

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10c Moon Landing, Rose Red (Litho) Omitted (C76a). Two Mint N.H. multiples, first is top right corner plate no. 31405 block of four, top right and bottom left stamps the error, other two with one or two tiny spots of Rose Red color, second is top left corner selvage block of six, bottom left stamp the error, others show various states of completeness of the Rose Red color, Very Fine, Scott Retail as singles

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11c Parks, Offset Blue and Green Omitted (C84a). Mint N.H., bright and fresh, Very Fine, normal accompanies for comparison

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11c Electronics Progress, "Progress in Electronics" Omitted, Shifted (C86 var). Mint N.H. top left corner selvage block of four, top stamps with "Progress in Electronics" missing completely, bottom stamps with text shifted dramatically towards top and trace of the text in bottom margin, Very Fine and choice, a dramatic error that is unlisted in Scott, the "Progress in Electronics" was shifted too low causing the top row of the sheet to completely lack the text, the bottom row no doubt showed the same shifted text as the bottom pair here but probably also had the text printed in the bottom selvage

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40c 1984 Summer Olympics, Block of Four, Imperforate (C108d). Mint N.H., Very Fine, Datz states 30-40 blocks and 20-30 pairs known

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16c Red & Blue, Air Post Special Delivery, Horizontal Pair, Imperforate Vertically (CE2a). Mint N.H. with selvage at right, pencil positions 34 and 35 noted on reverse, radiant colors

VERY FINE. A CHOICE EXAMPLE OF THE 16-CENT RED & BLUE AIR POST SPECIAL DELIVERY HORIZONTAL PAIR, IMPERFORATE VERTICALLY.

Datz states that only 10 pairs are recorded. With 1981 P.F. certificate

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6c-24c 1918-23 Air Post (C1-C6). Stockbook containing hundreds of unused and used stamps, incl. C1 (20 unused, two blocks of four, one block of six, a plate block and ten used), C2 (15 unused singles, six blocks of four, block of twelve, two plate blocks and 26 used), C3 (16 singles, seven blocks of four and 38 used), C4 (12 singles, 12 blocks of four, three plate blocks, blocks of 22, 20, 16 and 10 and 14 used), C5 (27 singles, 13 blocks of four and 17 used), C6 (21 singles, eight blocks of four, a block of six and six used), most Mint N.H., some blocks from better positions showing guidelines, arrows or siderographer's initials, few small faults to be expected but most are Fine-Very Fine, some are Extremely Fine, a fantastic group of these popular Air Post issues, Scott Retail slightly in excess of

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Air Post Plate Blocks Accumulation. Massive accumulation in ten banker's boxes, virtually all in glassines and some packed in bulk, a small portion of the bulk yielded the following counts: C40 (1,100), C45 (800), C53 (1,450), C54 (1,000), C55 (1,150), C59 (2,700), C63 (3,700), some booklets incl. 75 complete booklets of two panes of C51a and 100 panes of C64b, also hundred of unused entires, our catalogue value of just the ones packaged in bulk comes to well over $23,000.00 and that doesn't include thousands or perhaps tens of thousands of others not packaged in bulk, most Fine-Very Fine, a massive group

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Air Post Accumulation. Two cartons of unused and used stamps, diverse group of items in dealer's pages in 13 small binders and loose, some matched plate positions, some scrap, some used incl. C10a, among the unused is a C4 plate block, C13 (thinned), C18 singles and plate block, some coils etc., some in bulk quantity such as C42 and C44 (3,000 stamps each), some faults, most Fine-Very Fine, also coil rolls incl. C65 roll of 500 and roll of 100 (3), C73 rolls of 500 (2) and rolls of 100 (14), C82 rolls of 100 (4), C83 rolls of 100 (3), also partial rolls of C37, centering not known on most since they are intact rolls with cellophane, our guess is Fine-Very Fine

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Better Air Post Panes. Banker's box of Mint N.H. panes, incl. Nos. C7-C9, C10 (9), C12 (2), C16 (10), C17 (13), C19 (6), C20 (57), C21 (7), C22 (12), C24 (10), C31 (6), some other better, few of the slightly more modern not counted, overall fresh and Fine-Very Fine, an impressive holding, Scott Retail in excess of

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Air Post Panes. Two banker boxes stuffed full of Mint N.H. panes, many in bulk quantities incl. over 550 of C40, denominations to 31c, some are better than face but not counted as such, Fine-Very Fine, face value in excess of

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Air Post Balance, 1918-37. Blocks and singles hinged onto album pages, incl. C1-C4 in singles and blocks with duplication of C1-C2, range of other issues through 1937 incl. C18 (two singles and two blocks of four), no Graf Zeppelins, Fine-Very Fine, Scott Retail approximately $2,500.00

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Air Post Errors and Varieties. Eleven items, incl. C73a pair, C83a joint line pair and five pairs, C23c, CE2 with shifted vignette, last two are blocks of C11 incl. one with ghost of second blue plate no, overall Very Fine

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