History & Culture
History & Culture from Hotel Keys, shaped by its Bottles, Caps & Smalls focus.
History & Culture from Hotel Keys, shaped by its Bottles, Caps & Smalls focus.
Posts
How to Decipher the Raised Letters on Your Vintage Bottles
Learn to read the raised letters and symbols on vintage bottles to uncover their manufacturing history. This practical guide covers where to find maker's marks, what they mean, and how to verify your findings using sp...
Hotel Keys EditorialApril 10, 2026
Legendary Shapes of the Mid-Century Soda Era
ListicleExplore the iconic silhouettes and unique vessel designs that defined the golden age of beverage packaging and became prized collector items.
Hotel Keys EditorialApril 10, 2026
Why Metal Bottle Caps Change Value So Quickly
Explore the volatile world of metal bottle cap collecting. Learn why oxidation is the enemy and how to protect your small-scale metal finds from losing value.
Hotel Keys EditorialApril 10, 2026
Rare Colors of the Glass World
ListicleExplore the unusual hues found in vintage glass bottles and why certain colors are rarer than others in the collecting community.
Hotel Keys EditorialApril 9, 2026
The Hidden History of Vintage Soda Cap Designs
Explore the evolution of metal bottle caps and how graphic design trends shaped the collectibles market over the last century.
Hotel Keys EditorialApril 9, 2026