Which company introduced the first widely recognized customer loyalty program in the 1890s, using copper tokens with purchases that could be redeemed for merchandise?

Before points systems and digital rewards, customer loyalty programs had humble beginnings that shaped modern retail strategies. This trivia question explores the historical roots of customer loyalty initiatives that eventually evolved into the sophisticated programs we know today. Test your knowledge of retail history and see if you can identify which pioneering company first formalized the concept of rewarding repeat customers.

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S&H Green Stamps (Sperry & Hutchinson Company)
Sears, Roebuck and Co. with their 'Preferred Customer Medallions'
Montgomery Ward's 'Loyal Shopper Certificates'
Woolworth's 'Frequent Buyer Coins'