§ 202-b. Pledgee may buy at public sale. Unless the pledge agreement otherwise provides, in all cases where a pledgee may lawfully sell pledged property and the property is sold at public sale, the pledgee, or his assignee or the legal representative of either, may fairly and in good faith purchase the pledged property or any part thereof at the sale. This section does not apply to a sale of property pawned or pledged with a collateral loan broker.