Legal analysis: Husband and wife real estate agreements are generally valid with handprints and signatures, and no date is written. Whether the agreement is valid or not needs to be determined by combining the specific terms and the nature of the agreement. For example, the agreement conforms to the meaning and represents the truth; If it does not violate the law, public order and good customs, the agreement is valid.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 143 A civil juristic act that meets the following conditions is valid:

(1) The actor has corresponding capacity for civil conduct;

(2) the meaning is true;

(three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs.

Article 144 A civil juristic act performed by a person without capacity for civil conduct is invalid.

Article 146 A civil juristic act by the actor and the counterpart with false intention is invalid. The validity of a concealed civil juristic act with false intention shall be handled in accordance with relevant laws and regulations.