2008, Didiayer Snyder, On Your Mark—An Insight Guide to Modeling, AuthorHouse, →ISBN, page 30:
When a client asks to see models from various agencies, it can cause confusion if your comp card arrives from two different agencies.
2018, Crystal A. Wright, Crystal Wright’s The Hair Makeup & Fashion Styling Career Guide[1], Motivational Media Productions, →ISBN:
Because less is more and the purpose of a comp card is to give the decision-maker a taste of what they'll find in your portfolio, not the whole shebang!