How to tell if pokemon red and crystal are first print

[lyleberr]

Pokémon Red, Blue, Yellow Version Variant Guide (Print Runs)

Pokémon Red, Blue, Yellow Version Variant Guide The purpose of this guide is to educate people about the different variants (also referred to as print runs) of Pokémon’s Red, Blue, and Yellow versions. It should be noted that this is not an official guide, and all information is simply evidence-backed speculation. This guide will be updated periodically as/if more evidence or findings are made regarding the Red, Blue, and Yellow version variants. Quick Summary Red Version F…

That ahould help with Red. Not sure if anyone has made a guide for Crystal.