Auction research
Browse past Signature Pieces auctions
- Auction #2505 · Nov 01, 2026
- Auction #2495 · Oct 04, 2026
- Auction #2485 · Sep 06, 2026
- Auction #2475 · Aug 09, 2026
- Auction #2465 · Jul 12, 2026
- Auction #2455 · Jun 14, 2026
- Auction #2445 · May 17, 2026
- Auction #2436 · Apr 19, 2026
- Auction #2426 · Mar 22, 2026
- Auction #2416 · Feb 22, 2026
- Auction #2406 · Jan 25, 2026
- Auction #2396 · Dec 28, 2025
- Auction #2386 · Nov 30, 2025
- Auction #2376 · Nov 02, 2025
- Auction #2366 · Oct 05, 2025
- Auction #2356 · Sep 07, 2025
- Auction #2346 · Aug 10, 2025
- Auction #2336 · Jul 13, 2025
- Auction #2326 · Jun 15, 2025
- Auction #2316 · May 18, 2025
- Auction #2306 · Apr 20, 2025
- Auction #2296 · Mar 23, 2025
- Auction #2286 · Feb 23, 2025
- Auction #2276 · Jan 26, 2025
- Auction #2266 · Dec 29, 2024
- Auction #2256 · Dec 01, 2024
- Auction #2246 · Nov 03, 2024
- Auction #2236 · Oct 06, 2024
- Auction #2226 · Sep 08, 2024
- Auction #2216 · Aug 11, 2024
- Auction #2206 · Jul 14, 2024
- Auction #2196 · Jun 16, 2024
- Auction #2186 · May 19, 2024
- Auction #2176 · Apr 21, 2024
- Auction #2166 · Mar 24, 2024
- Auction #2156 · Feb 25, 2024
- Auction #2146 · Jan 28, 2024
- Auction #2136 · Dec 31, 2023
- Auction #2126 · Dec 03, 2023
- Auction #2116 · Nov 05, 2023
- Auction #2106 · Oct 08, 2023
- Auction #2096 · Sep 10, 2023
- Auction #2086 · Aug 13, 2023
- Auction #2076 · Jul 16, 2023
- Auction #2066 · Jun 18, 2023
- Auction #2056 · May 21, 2023
- Auction #2046 · Apr 23, 2023
- Auction #2036 · Mar 26, 2023
- Auction #2026 · Feb 26, 2023
- Auction #2016 · Jan 29, 2023
- Auction #2006 · Jan 01, 2023
Leonarde Keeler autograph auction results
Leonarde Keeler · $40.25(1903-1949) Criminologist and inventor of the polygraph machine. This item is a signed envelope.Dec 09, 2018 · Auction #1620 · Lot 763
(1903-1949) Criminologist and inventor of the polygraph machine. This item is a signed envelope.
Dec 09, 2018 · Auction #1620 · Lot 763 · More by signer