199n E Postcard | Old Stamp Collecting Guide: Discover, Value & Preserve Vintage Stamps

199n E Postcard

This specific nomenclature likely refers to a system of categorization or identification, possibly within a collection, archive, or database. The alphanumeric string suggests a structured approach, where “199” could represent a category,... Read more »
Vintage California 199N E Postcard Guide | Old Stamp Collecting Guide: Discover, Value & Preserve Vintage Stamps

Vintage California 199N E Postcard Guide

A vintage postcard depicting California, likely produced around the late 20th century, potentially carries a publisher’s code or inventory number like “199N E.” These cards offer glimpses into California’s past, showcasing popular... Read more »
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Understanding CA 19-9 E-Postcard Info | Old Stamp Collecting Guide: Discover, Value & Preserve Vintage Stamps

Understanding CA 19-9 E-Postcard Info

This term likely refers to a postcard related to the CA 19-9 tumor marker, a protein often elevated in individuals with certain types of cancer, particularly pancreatic, colorectal, and bile duct cancers.... Read more »
199n E Postcard Filing | Old Stamp Collecting Guide: Discover, Value & Preserve Vintage Stamps

199n E Postcard Filing

This specific terminology refers to a streamlined reporting method for certain types of investment income, typically involving international transactions or non-US citizens. It leverages a simplified form, resembling a postcard in its... Read more »