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 Pan-American (299). Jumbo margins and perfect centering, deep rich frame color, double-struck oval cancels, fresh in every respect, Extremely Fine Gem, with 2017 P.S.E. certificate (Superb 98 Jumbo; unpriced in SMQ above the grade of 95), the highest grade awarded to a used 10c Pan-American, the only other denominations to grade 98J or higher in used condition are the 2c and 5c, the next highest grade for a 10c is 95
10c Pan-American (299). Outstanding centering and margins, rich colors, corner strike of circular datestamp cancel leaves the steamship vignette fully visible, Extremely Fine Gem, with 2010 P.S.E. certificate (XF-Superb 95; SMQ $500.00), only one used 10c Pan-American grades higher -- the 98J we offered in our Sale 1172 in 2017 -- though it has a much heavier cancel, this example with precise centering and an unobtrusive cancel is very desirable