Neil Armstrong's Purdue class ring part of latest auction

WEST LAFAYETTE, Ind. (AP) — When exactly Neil Armstrong, the first man to step foot on the moon, received his class ring isn't clear.
"But it was after his Apollo 11 mission," said Michael Riley, director of space exploration for Heritage Auctions, a Dallas-based house in the midst of the second of three auctions featuring the personal effects of Purdue University's most famous graduate.
"It was a presentation ring, because the wooden display box it came in has on the top an engraved plaqu