277. Albert Einstein Autograph Letter Signed on Hamiltonian Mechanics with Extensive Equations on Covariance and Invariance

Now At: $8,800 (17 bids)

Estimate: $20,000+

Ends on 10/14

278. Albert Einstein Signed Photograph by Lotte Jacobi (1938/1943)

Now At: $5,500 (14 bids)

Estimate: $12,000+

Ends on 10/14

279. Albert Einstein Autograph Letter Signed on Hamiltonian Mechanics and Planck’s Constant

Now At: $9,190 (14 bids)

Estimate: $10,000+

Ends on 10/14

280. Albert Einstein Signed Photograph, Presented to Classical Pianist Youra Guller

Now At: $10,543 (19 bids)

Estimate: $10,000+

Ends on 10/14

281. Albert Einstein Typed Letter Signed, Assessing a Sonar-Guided Torpedo on the Eve of World War II

Now At: $1,863 (12 bids)

Estimate: $4,000+

Ends on 10/14

282. Albert Einstein Typed Letter Signed, arranging a New York City Visit

Now At: $1,480 (11 bids)

Estimate: $3,500+

Ends on 10/14