It might have taken more than 60 years, but the price of cannoli at Mike’s Pastry is a mystery no more.

Mike’s, an institution in Boston’s North End, has been attracting tourists and locals alike for decades. But the cash-only bakery had held fast to a policy of not posting any prices. But now, a few pieces of plain paper visible over the counter list various cannoli prices — not all cannoli are created equal — and the prices of other items.