Contract interpretation and mitigation of loss limited share-sale damages to market value at breach, while separate vested rights remained enforceable.

Written correspondence did not create any express term requiring monthly instalments or monthly interest on the loan, as the only agreed time for repayment was within two years. The share transaction for 500 ordinary and 500 preference shares was a concluded contract; the plaintiff's repudiation amounted to breach, and damages were limited to market loss at the date of breach because the shares were unascertained, no transfer was completed, and the seller had a duty to mitigate by reasonable resale. No express agreement was proved to combine the franc and share transactions into one account, and silence did not create estoppel or a power to terminate the plaintiff's vested rights in the franc transaction.

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Issues: (i) whether the plaintiff had agreed to pay the loan by monthly instalments and to pay interest monthly; (ii) whether there was a complete contract for the purchase of 500 ordinary and 500 preference shares of the Premier Oil Mills Company, whether the plaintiff committed breach, and what was the measure of damages; (iii) whether the parties had agreed that the two transactions should be adjusted together; and (iv) whether the defendant could lawfully put an end to the whole affair and whether the plaintiff was estopped by silence.

Issue (i): whether the plaintiff had agreed to pay the loan by monthly instalments and to pay interest monthly.

Analysis: The written correspondence showed only that the loan was to be liquidated within two years. There was no express term in the contract or in the contemporaneous letters requiring monthly instalments or monthly payment of interest. Later hopes or proposals expressed by the plaintiff did not convert a vague arrangement into an express contractual condition.

Conclusion: There was no agreement by the plaintiff to pay instalments or to pay interest monthly.

Issue (ii): whether there was a complete contract for the purchase of 500 ordinary and 500 preference shares of the Premier Oil Mills Company, whether the plaintiff committed breach, and what was the measure of damages.

Analysis: The documentary correspondence established a concluded bargain for the purchase of the shares. The plaintiff later repudiated the transaction and failed to take over the shares, thereby committing breach. The shares were not ascertained and no transfer was effected; the defendant remained the registered holder. In such a case the loss had to be assessed at the date of breach, and the seller was bound to mitigate the loss by taking reasonable steps to re-sell. The defendant could not claim the later fall in value after keeping the shares without sale.

Conclusion: There was a completed contract, the plaintiff committed breach, and damages were confined to the market loss as at the date of breach.

Issue (iii): whether the parties had agreed that the two transactions should be adjusted together.

Analysis: No contemporaneous letter supported an express agreement that the franc transaction and the share transaction were to be treated as one composite account. The defendant's later assertion of a combined adjustment appeared only after the plaintiff repudiated the share transaction. The evidence did not establish an express agreement to merge the two accounts.

Conclusion: There was no proved agreement to adjust the two transactions together.

Issue (iv): whether the defendant could lawfully put an end to the whole affair and whether the plaintiff was estopped by silence.

Analysis: Even assuming the alleged letter of 16 April 1922 was sent, the defendant had no contractual power to terminate the plaintiff's rights in the franc transaction. The plaintiff's ownership in the francs had already vested, subject to the defendant's lien for repayment. A mere failure to reply could not amount to estoppel, particularly after earlier repudiation and a registered notice through counsel.

Conclusion: The defendant could not put an end to the whole affair, and the plaintiff was not estopped from claiming accounts.

Final Conclusion: The plaintiff was entitled to an account in respect of the franc transaction, with credit given to the defendant only for the loss proved on the share transaction as at the date of breach, and the matter required a preliminary decree and final accounting.

Ratio Decidendi: Where goods or shares are unascertained and no transfer is completed, the seller's damages for repudiation are limited to the market loss at the date of breach, and the seller must mitigate loss rather than charge later depreciation to the buyer; a separate vested transaction remains subject to accounting and cannot be unilaterally terminated absent contractual power.

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