Secondipity via eBay offers the refurbished Sony WH-1000XM3 Bluetooth Wireless Noise Canceling Headphones in Black or Silver for $229.99 with free shipping. That's a $70 drop since January mention of a refurb (although that included $45 Rakuten credit) and the best deal we've seen in any condition. (It's $118 less than a new pair.) Features include: 1.57" drivers up to 40kHz frequency response Bluetooth 4.1 active noise cancellation A 90-day Liquidity Services warranty applies.
While you wait for your money to arrive, consider these options for what to do with it.