Exhibit 10.19

FOURTH AMENDMENT TO PURCHASE AND SALE CONTRACT

This Fourth Amendment to Purchase and Sale Contract (this “ Amendment”) is made as of June 25, 2009, between DREXEL BURNHAM LAMBERT REAL ESTATE ASSOCIATES II LIMITED PARTNERSHIP (“ Seller”) and ADVENIR, INC. (“Purchaser”).

W I T N E S S E T H:

WHEREAS, Seller and Purchaser entered into a Purchase and Sale Contract dated as of March 25, 2009, as amended by the terms of (i) that certain First Amendment to Purchase and Sale Contract, dated April 24, 2009, (ii) that certain Second Amendment to Purchase and Sale Agreement, dated May 8, 2009 and (iii) that certain Third Amendment to Purchase and Sale Agreement, dated May 15, 2009 (said Purchase and Sale Contract, as amended, being herein collectively called the “ Agreement”) with respect to the sale of certain property known as Presidential House located in Miami-Dade County, Florida, as described in the Agreement; and

WHEREAS, Seller and Purchaser desire to amend the Agreement on the terms set forth herein.

NOW, THEREFORE, in consideration of the mutual covenants herein contained, the sum of $10.00 and other good and valuable consideration, the mutual receipt and legal sufficiency of which are hereby acknowledged, the parties hereby agree as follows:

1. Capitalized Terms. Capitalized terms used in this Amendment shall have the meanings given to them in the Agreement, except as expressly otherwise defined herein.

2. Loan Assumption Approval Period. Section 4.5.9 of the Agreement shall be amended as follows: The Loan Assumption Approval Period, set forth in Section 4.5.9 of the Agreement, is hereby extended to July 2, 2009.

3. Closing Date. The Closing Date, set forth in Section 5.1.1 of the Agreement, is hereby extended to July 15, 2009.

4. Miscellaneous. This Amendment may be executed in counterparts, each of which shall be deemed an original and all of which, when taken together, shall constitute a single instrument and may be delivered by facsimile transmission, and any such facsimile transmitted Amendment shall have the same force and effect, and be as binding, as if original signatures had been delivered. As modified hereby, all the terms of the Agreement are hereby ratified and confirmed and shall continue in full force and effect.

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IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date and year hereinabove written.

Seller:

DREXEL BURNHAM LAMBERT REAL ESTATE ASSOCIATES II LIMITED PARTNERSHIP, a New York limited partnership

By: DBL PROPERTIES CORPORATION, a New York corporation, its general partner

By: /s/Brian J. Bornhorst

Name: Brian J. Bornhorst

Title: Vice President