China Qing Dynasty Jiaqing Tongbao Cash Coin and similar items

This is an authentic antique Chinese cash coin from the Qing Dynasty, issued during the reign of the Jiaqing Emperor (???, 1796–1820). Known as Jiaqing Tongbao (????), it was the standard 1-cash denomination used in daily transactions across China and traded in neighboring regions like Vietnam (Annam) at the time. Material: Cast bronze (copper alloy) with attractive natural dark patina – original, no cleaning or damage. Diameter: Approximately 23-24 mm (about 0.9 inches). Weight: Around 3-4 grams (typical for circulated examples). Thickness: ~1 mm. Shape: Round with central square hole (classic cash style). Obverse: Four Chinese characters "????" – clear and well-struck. Reverse: Blank (plain, standard for this type). Condition: Circulated VF (Very Fine) – good legibility, nice aged patina, minor wear from historical use, no cracks.