Hi Mr or Mrs Sylvester,

Thank you for contacting Mearto with your appraisal inquiry.
The inscribed XV are not initials but more likely cabinetmaker's notations.
Based on the photos and information provided, and subject to examination, this is:

An Italian Baroque style burl walnut desk and bookcase
19th Century
In two sections, the upper section a glazed (glass door) bookcase with molded cornice; the lower section with a setback roll-top desk opening to a divided interior over three long drawers flanked by molded stiles. Unmarked.
Overall height 88 inches tall; greatest width 40 inches; greatest depth 24 inches (lower section)
CONDITION: This desk and bookcase appears to be in generally good condition with some wear commensurate to age and use.
PROVENANCE: Inherited
$1500-2000*
*represents a fair-market value for auction purposes; retail or asking price may vary.

Please let us know if you have additional items to appraise, or questions/concerns, and thank you again for using Mearto.
~ Delia