- 689 total number
- アメリカ合衆国 (West Palm Beach)
The most signatures on a banner in one hour is 689, and was achieved by Signarama (USA) in West Palm Beach, Florida, USA, on 28 June 2021.
The attempt and banner celebrated Signarama's 35 anniversary. Participants included convention-goers, franchise owners, exhibitors and staff of the convention center.