What to know:

Dan Foster, 49, is selling nearly all of his Detroit Lions memorabilia after collecting it for 36 years.

Foster's basement is filled with Lions jerseys, helmets, autographed photos, trading cards, footballs, blankets and other team memorabilia.

His collection includes a seat from the Pontiac Silverdome, massive FatHeads of Barry Sanders and Calvin Johnson, and a toothbrush and fingernail clippers featuring the Lions.

Foster said he stuck with the team through its 0-16 season in 2008 and other losing seasons, making the Lions' more recent success especially meaningful.

Foster began following the Lions after moving to Michigan as a teenager in 1990, bonding over the team with family friend Gary Wayne Slatton, who became a mentor and father figure.

FENTON, Mich. - Dan Foster's basement might rival Ford Field for the amount of Honolulu Blue and Silver that's there. It starts as soon as you head down the stairs.

 I have pretty much every sticker, button, ticket,  Foster, 49, said on Wednesday.  Everything I ever got that's Detroit Lions - from 1990 - yeah, it's all down here. 

It's a startling collection for even the most ardent of Lions fans.

On the staircase alone, there's a collection of Lions coins from the 2005 season, a Roy Williams No. 11 jersey next to a framed collection of trading cards of the 1993 Lions squad, featuring Barry Sanders, Rodney Peete, and Herman Moore.

There is an autographed Calvin Johnson rookie card - complete with a picture of Johnson signing it.

There are massive FatHeads of Sanders and Johnson, and once you enter the basement, you see a collection of jerseys and helmets and water bottles and blankets and footballs.

There are dozens of framed and autographed pictures and trading cards of Lions players and broadcasters.

There's even a stadium seat from the Pontiac Silverdome.

 I found that in the parking lot after they demolished the stadium,  he said.  It was right there and I had to grab it.

 I have a Detroit Lions toothbrush, and Detroit Lions fingernail clippers down here,  Foster said.  The weirder it is, the more unique it is, the

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