We are in the process of creating virtual objects for portfolios of prints in our collection and linking those virtual objects to the individual prints, which are already catalogued. My question is regarding the numbering of the portfolio/virtual object. In some cases, we received prints from a portfolio at different times and through different donors/donations. Therefore, the prints have different accession numbers. If I want to create a virtual object for a portfolio that is linked to prints that have different accession numbers, how do I number the portfolio/virtual object? Has anyone dealt with this dilemma before and have any suggestions? Melisa :O) Melisa Lujan Assistant Registrar El Museo del Barrio 1230 Fifth Avenue New York, NY 10029 212-660-7131 [log in to unmask] <mailto:[log in to unmask]> Visit El Museo online at www.elmuseo.org <http://www.elmuseo.org/> and find out about our exciting programs. Become a Member or Upgrade Today <https://www.groundspring.org/donate/index.cfm?ID=2868-0|1990-0>