State responsibility — Damages — Measure of — Indirect damages — Nationalization of company — Valuation of shares — Book value at time of purchase shortly before nationalization — Relation of book value to purchase price — Whether purchase price can be considered as fair value — Set — off — Partial compensation received from another source.

State responsibility — Kinds of — For taking of, or interference with, property — Creditors' rights — Debts due to aliens from nationalized corporation — Debts annulled by nationalization decree — Liability of nationalizing Government — Soviet Decree of March 4, 1919 — Denial of justice — Repudiation of Government's own obligation — Interference with contractual relations — Effect of nationalization of corporation party to contract — Frustration and termination of contract — Contract not perpetuated for benefit of nationalizing Government — Whether nationalizing State responsible — Whether a taking of property.