Knowledge Base – Objects

Ceramics & Porcelain

From earthenware to porcelain: an overview of European styles, materials, and techniques, with attention to recognition, dating, and value.

Curiosities & Rarities

What curiosities are, why they are collected and how to recognize rare or special objects.

Vintage Books & Comics

Identify vintage books and comics by their paper, printing technique, illustrations, and condition. A guide to dating and valuing.

Tobacco Tins & Smoking Goods

Tobacco Tins Guide: Brands, Graphic Styles, Dating, and Collectible Value of Tobacco Tins.

Antique Pots & Jugs

Identify the materials, glazes, and shapes of ancient pots and jars and learn how to date and assess them.

Vintage Tins

A guide to identifying, dating, and appraising vintage tins: brands, styles, and production characteristics.

Religion & Devotionals

Guide to identifying, dating and appraising religious images and devotional items from the 19th–20th centuries.

Cologne pots

Cologne stoneware pots are among the most recognizable objects within 19th-century German stoneware. They were brought from the Westerwald to the Netherlands and are still cherished by collectors t...