In a decidedly digital age, the modest postage stamp seems to be slowly vanishing from daily life—no longer ubiquitous in wallets or pocketbooks, useful but maybe not essential. They’re so overlooked ...
In Germany, it's possible to use a postage code generated in the Post & DHL app rather than a physical stamp. Photo: picture alliance/dpa/Deutsche Post DHL Group Deutsche Post’s ‘Mobile Briefmarke’ ...