ThisÂ Dad's Army Grandad birthday card reads on the front "DON'T PANIC GRANDAD... It's just another Birthday" There is plenty of space on the inside for your own personal message.License -Â Dad's Army Danilo is the leading publisher of licensed calendars, diaries, greeting cards, gift wrap and gift bags in the UK. We are a family run company thatâ€™s been operating for more than 40 years. Our licenses range from pre-school to adult. All the paper we use is responsibly resourced and we only work with suppliers and manufacturers that meet our stringent ethical requirements.