By Chiara Elisei (Reuters) -Credit Suisse on Thursday sold a 500 million pound ($595 million) senior unsecured bond maturing in March 2026, according to a lead memo seen by Reuters, in the embattled bank’s latest bid to lure in investors with a juicy premium. The new note, which was sold by the Swiss bank’s operating company, had a coupon of 7.75%. The final spread was set at 425 basis points (bps) over Britain’s 0.125% 2026 gilt or government bond, from an earlier price indication in the 435 bps area. “The final size was a good result, considering all Credit Suisse is going through – but not …