Collector’s field guide
Identify the set in front of you
Start with observable evidence: what the tiles are made from, how they were constructed, which tiles are present, and what the case and marks can support. A careful range is more useful than a confident guess.
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How to identify an old American mahjong set
A safe, evidence-first workflow for reading material, construction, tile count, jokers, racks, cases, and maker marks.
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Field guide
Mahjong tile materials
Compare celluloid, catalin, mid-century molded plastics, melamine, acrylic, and resin without destructive tests.
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Reference
Collector’s glossary
Plain-language definitions for the terms used in set listings, identification discussions, and this catalog.
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