Here adhesive-backed label strip is mounted on the shelf bottom under the product. The price plays Peekaboo and only reveals itself once you remove the item. These shelves are down-swept gravity feed, so admittedly the shelf front edge angles downward reducing visibility. But there are up-tilted label strip profiles to overcome the shelf front disadvantage.

For unusual label strip treatments see…
Label Strip Turns a 90º Corner
Label Strip Mitre Embedded
Label Strip Recessed into Table Top
Hide ‘N Seek Label Strip“ (This Post)
Top-facing Label Strip Brands

For unusual gravity feed posts SEE…
Gravity Feed to Rear Not To Front
Store Self-Dispenses T-Shirts
Roller-Assisted Gravity Feed
Gravity Sledges for Gift Cards
No Crush Gravity Feed for Pillows
Gravity Feed for Pencils
Productstop Sloped Not Straight
Allure of Gravity Feed for Pillows
Display Hooks Are Rails for Rolling Pins
Downswept Specialty Hook for Partyware Gravity Feed
Guess the Slotting Fee for Gravity Feed
Top-load Lipstick Auto Feed
Burt’s Bees via Gravity Feed
Auto Feed Sanitizer Wipe Rack
Hide ‘N Seek Label Strip in Gravity Feed
Traditional Wood Bread Rack Features Gravity Feed