It’s definitely a sign of the times when advertising execs feel the need to include the following accolade in their bank marketing material:
… part of one of the “World’s Safest Banks”
Economist Paul Krugman notes the esteemed title in the following advert from Santander’s Sovereign Bank:

We feel the phrase potentially needs an accompanying seal, a bit like the one displayed by the members of the small luxury hotels of the world.
So, perhaps something like this?

Related links:
The world’s 50 ‘safest’ banks – FT Alphaville
