The offense shall be complete against a person or corporation pretending or offering to sell or to buy, as provided in sections 2171 and 2172 of this title, whether the offer to sell or buy is accepted or not. A person or corporation communicating, receiving, exhibiting, or displaying in any manner such offer so to buy or sell or any statements or quotations of the prices of such property, with a view to such transaction, shall be deemed an accessory and shall be punished as provided in section 2173 of this title.