Heritage Auctions’ forthcoming space memorabilia auction includes many lots of what you’d expect: stamps, coins, medallions, photos, letters, and books. But there are also some oddball lots, such as:

a test-fired, but not flown, Command Module Reaction Control System Rocketdyne SE-8 Rocket Engine (current bid: $2,000. Expected sale price: $2,000-$3,000)

Gemini 4: Original 16mm Color Film Print from the Personal Collection of Ed White (current bid: $600. Expected sale price: $1,200-$1,600)

Buzz Aldrin’s Apollo 11 Lunar Module Flown and Surface-Used Earpiece and Ear Tube Assembly (opening bid: $12,500. Expected sale price: $25,000-$35,000)

Buzz Aldrin’s Apollo 11 Flown Toothbrush and Sleeve (opening bid:$9,000. Expected sale price: $18,000-$24,000

a pouch of “Toasted Bread Cubes” flown on Apollo 17 (and apparently not eaten) from Gene Cernan’s collection (opening bid: $1,250. Expected sale price: $2,500-$3,500)

Apollo 17 Lunar Module Commander’s Arm Rest (opening bid: $7,500. Expected sale price: $15,000-$25,000)

The auction, #6095, will be at Heritage’s Dallas location (3500 Maple Avenue, Dallas, TX 75219) on 18 April, starting at 10am CDT. Previews are 17 and 18 April. For more information, see this page.