President Lyndon Johnson Texas home is on the market for sale $2.8 million

Per Realtor.com, it is located in Central Texas on 140 acres:
3,980 sqft main house with 4 bedrooms, 4.5 bathrooms
1,100 sqft guesthouse
1 bedroom, 1 bathroom, guesthouse (for Secret Service agent).
The former President owned this home until 1999 until it was bought by the famous artist Sigismondo Benini.