This hard-to-find Black Postcard Price Guide (2nd Edition) by J.L. Mashburn is a valuable resource for collectors and enthusiasts alike. It provides an extensive list of postcard prices, making it an excellent reference tool for anyone interested in the topic.

The guide covers a range of postcard types and includes information on the publication name, author, and categories such as Books & Magazines, Textbooks, Education & Reference, and Dictionaries & Reference. Whether you're a seasoned collector or just starting out, this guide is a must-have for anyone interested in postcard prices.