Since Mexico abandoned the silver standard and subsequently experienced inflation, the value of this paper peso has significantly decreased over time. Today, it is considered a collectible item rather than a valid currency.
The value of collectible banknotes depends on various factors, such as their rarity, condition, historical significance, and demand among collectors. Generally, banknotes from this era are sought after by collectors interested in Mexican history and numismatics.
The specific value of your 1000 peso banknote can vary based on its condition and the current market demand for such collectible items. It's advisable to consult with experts in the field of antique banknotes or visit reputable online marketplaces specializing in collectibles to get a more accurate estimate of its worth.