Volg, a chain of stores in Switzerland, offers a loyalty program in which each purchase is rewarded with stamps of various denominations (50, 10, and 2 francs). These stamps can be collected in a booklet available in approximately 600 Volg stores. Once the booklet is filled, it can be handed in at the cashier to receive 10 francs in cash and a new booklet to continue collecting. The program also includes stamps for various services and products and has no expiry date.
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