Three things to keep in mind when looking at the above results (unsolds are not included):
It is important to look at the individual data points listed below. Price swings up may be due to varieties such as broken hat or other positives such as cancels. Price swings down may be due to factors such as faults on items that would have graded higher if they were sound, and may not be considered as desirable as a sound copy in this grade.
When looking at multiple grades on the graph, grades with the same population numbers may show overlapping.
At the time of an auction, the SMQ value has already been published and is available to bidders. Increases or decreases in SMQ value prior to the auction may affect the price realized.
This information is provided for hobbyists and is not intended to represent philatelic material as an investment or financial instrument. Past performance is neither an indication nor guarantee of future performance. Every effort has been made to ensure the accuracy of the information, but Siegel Auction Galleries (including its representatives and affiliates) is not liable for errors or omissions of any kind. "SMQ" refers to Stamp Market Quarterly, a copyrighted publication, and the information is used with the copyright holder's permission.
10c Gray Violet, Special Delivery (E11b). Mint N.H., rich color on bright paper, gorgeous centering with Jumbo margins, Extremely Fine Gem, a phenomenal stamp, with 2017 P.S.E. certificate (Superb 98 Jumbo; unpriced in SMQ above the grade of 98, SMQ $950.00 as 98), this is the highest grade awarded to Scott E11b and it is shared by no others
10c Gray Violet, Special Delivery (E11b). Rich color on bright paper, gorgeous centering with Jumbo margins, Extremely Fine Gem, a phenomenal stamp, with 2017 P.S.E. certificate (Superb 98 Jumbo; unpriced in SMQ above the grade of 98, SMQ $950.00 as 98), this is the highest grade awarded to Scott E11b and it is shared by no others
10c Gray Violet, Special Delivery (E11b). Rich color on bright paper, gorgeous centering with Jumbo margins, Extremely Fine Gem, a phenomenal stamp, with 2017 P.S.E. certificate (Superb 98 Jumbo; unpriced in SMQ above the grade of 98, SMQ $950.00 as 98), this is the highest grade awarded and the only example to achieve it
10c Gray Violet, Special Delivery (E11b). Mint N.H., brilliant color on bright white paper, perfectly centered with exceptionally wide margins, Extremely Fine Gem example of this elusive shade variety, ex Whitman, P.S.E. encapsulated (Superb 98; unpriced in SMQ above the grade of 95, $650.00 as 95)
10c Gray Violet, Special Delivery (E11b). Mint N.H., brilliant color on bright white paper, perfectly centered with exceptionally wide margins, Extremely Fine example of this elusive shade variety, with 2008 P.S.E. certificate (Superb 98; unpriced in SMQ above the grade of 95, $650.00 as 95)
10c Gray Violet, Special Delivery (E11b). Mint N.H., wide margins and perfect centering, deep rich color on bright paper, most recent certificate notes natural gum wrinkle, Extremely Fine Gem, a superb stamp in every respect, with 2016 P.S.A.G. certificate (100 ogNH), with 2020 P.S.E. certificate (XF-Superb 95; SMQ $575.00 "Apparent centering: Gem 100")
10c Gray Violet, Special Delivery (E11b). Mint N.H. with top plate no. 13817 selvage, choice centering, beautiful rich color and deeply etched impression on pristine white paper, Extremely Fine Gem, with 2004 P.S.E. certificate (XF-Superb 95; SMQ $575.00)