Top 100 Cipher Machines Auction Items

Lot #2015 Enigma I Military-Issue Cipher Machine

2015. Enigma I Military-Issue Cipher Machine (c. 1933, Mostly Operational)

Sold For: $412,481 (w/BP)

Estimate: $300,000+

Auction #730 - November 20, 2025

Closed

Lot #2016 Enigma I Military-Issue Cipher Machine

2016. Enigma I Military-Issue Cipher Machine in Rare Panzerholz Case, with Standard Oak Case (c. 1943, Fully Operational)

Sold For: $343,645 (w/BP)

Estimate: $300,000+

Auction #730 - November 20, 2025

Closed

Lot #4057 Enigma Swiss-K Cipher Machine (World War

4057. Enigma Swiss-K Cipher Machine (World War II-era, Fully Operational)

Sold For: $112,500 (w/BP)

Estimate: $100,000+

Auction #738 - March 26, 2026

Closed

Lot #2019 Fialka M-125 Cipher Machine with Rare

2019. Fialka M-125 Cipher Machine with Rare BPK-125 Power Supply - Providing Anti-Spy TEMPEST Countermeasures

Sold For: $41,258 (w/BP)

Estimate: $30,000+

Auction #730 - November 20, 2025

Closed

Lot #6157 ENIAC Original Section of the ‘Decade

6157. ENIAC Original Section of the ‘Decade Counter’ - Certified by Members of the United States Army's Ballistic Research Laboratory

Sold For: $40,514 (w/BP)

Estimate: $3,000+

Auction #724 - August 21, 2025

Closed

Lot #2017 Swiss NEMA Model 45 Cipher Machine -

2017. Swiss NEMA Model 45 Cipher Machine - Successor to Enigma

Sold For: $24,079 (w/BP)

Estimate: $15,000+

Auction #730 - November 20, 2025

Closed

Lot #6165 Early Commodore PET 2001 Series Personal

6165. Early Commodore PET 2001 Series Personal Computer, No. 34 of Initial 100 Unit Run

Sold For: $6,250 (w/BP)

Estimate: $5,000+

Auction #724 - August 21, 2025

Closed

Lot #6162 SWTPC 6800 Computer System with AC-30

6162. SWTPC 6800 Computer System with AC-30 Cassette Interface, Software, and Manuals

Sold For: $4,291 (w/BP)

Estimate: $2,000+

Auction #724 - August 21, 2025

Closed

Lot #6167 IBM Personal Computer Early Production

6167. IBM Personal Computer Early Production Model (Rev. A, Serial No. #0111111), with IBM Monitor, Keyboard, Software, and Original Boxes

Sold For: $4,023 (w/BP)

Estimate: $2,000+

Auction #724 - August 21, 2025

Closed

Lot #2018 WWII-era M-209-B Cipher Machine

2018. WWII-era M-209-B Cipher Machine

Sold For: $3,670 (w/BP)

Estimate: $2,000+

Auction #730 - November 20, 2025

Closed

Lot #4059 WWII American M-209-B Cipher Machine

4059. WWII American M-209-B Cipher Machine

Sold For: $3,436 (w/BP)

Estimate: $2,500+

Auction #738 - March 26, 2026

Closed

Lot #6163 PolyMorphic Systems Poly-88 Computer

6163. PolyMorphic Systems Poly-88 Computer

Sold For: $2,020 (w/BP)

Estimate: $1,000+

Auction #724 - August 21, 2025

Closed

Lot #6160 IMSAI 8080 Microcomputer

6160. IMSAI 8080 Microcomputer

Sold For: $1,666 (w/BP)

Estimate: $2,000+

Auction #724 - August 21, 2025

Closed

Lot #2020 R-353 Proton Burst Encoder and Tape

2020. R-353 Proton Burst Encoder and Tape Cartridge

Sold For: $1,283 (w/BP)

Estimate: $600+

Auction #730 - November 20, 2025

Closed

Lot #6173 Brown's Computing Table (c. 1906)

6173. Brown's Computing Table (c. 1906)

Sold For: $1,165 (w/BP)

Estimate: $1,500+

Auction #724 - August 21, 2025

Closed

Lot #6170 Electronika BK 0010-01 Original Soviet

6170. Electronika BK 0010-01 Original Soviet Home Computer by NPO Scientific Center (1985)

Sold For: $1,034 (w/BP)

Estimate: $1,000+

Auction #724 - August 21, 2025

Closed

Lot #2021 Mysterious Miscellany - Coins, Tokens,

2021. Mysterious Miscellany - Coins, Tokens, and Timepieces

Sold For: $656 (w/BP)

Estimate: $200+

Auction #730 - November 20, 2025

Closed