How to discover if shares of Mexico-American Petroleum Company from 1920 are worth anything?

Looking for information on stock issued in 1920 for the Mexico-American Petroleum Company.

One Response to “How to discover if shares of Mexico-American Petroleum Company from 1920 are worth anything?”

  1. icprofit6000 Says:

    The certificates may have value to a collector of stock certificates. Unfamiliar with the company and assume you have the name right. Assume that the shares are worthless and its Mexico oil assets would have been nationalized.