Some examples and use cases from the internet:

Some examples and use cases from the internet:

• It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

• All I observed was sincere grief.
• My sincere congratulations, Mr Buzek.
• My sincere thanks once again to all concerned.
• Once again, sincere thanks to Mrs Gebhardt.
• My sincere thanks for your attention.
• Sincere thought brings a rectified heart.
• Mr President, sincere thanks for your work.
• Please accept our sincere apology for the delay.