Question

In 2001, one of these objects was found attached to a [emphasize] larger object used by the Victorian prankster Theodore Hook. Orange-red and Prussian blue were used for two types of these objects made in Mauritius in 1847. A type of these objects partly named for their black color were created by Rowland Hill, who frequently feuded with his underling Anthony Trollope. Some of these objects which mistakenly depict a plane upside down are (15[1])called (*) Inverted Jennys. (10[2])A type of these objects similar to non-denominated ones, which remain valid even after prices increase, are called “forever” [these objects]. These objects are studied in the field of philately. (10[1])For 10 points, name these small pieces of paper which must be affixed onto mail sent by post offices. ■END■

ANSWER: postage stamp [prompt on Penny Black by asking, “What type of object is it?”] (The lead-in is about the world’s first postcard created by Theodore Hook, which he jokingly sent to himself.)
<MM, Other Academic>
= Average correct buzz position

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Buzzes

PlayerTeamOpponentBuzz PositionValue
Raymond WangCornell EarthColumbia Ly-α7315
Karthik PrasadCornell FireCornell Wind7610
Danny CutbillRITRochester A7610
Ethan MaddoxRochester BRochester C10610

Summary

2023 ILLIAC (Cornell)2023-10-21Y4100%25%0%82.75
2023 ILLIAC (Mainsite)2023-10-21Y888%25%25%75.14