6th anniversary Iron Gifts. Celebrating the 6th year of marriage offers a time to rekindle flames of love and passion. Iron gifts symbolise a strong and sturdy relationship and are believed to bring good, just like our iron horseshoe gifts? Let MyGiftGenie help out with our range of 6th anniversary iron gifts, which are incredibly durable and will last as long as the memories that inspired them. Let MyGiftGenie find you the perfect 6th anniversary present; and to ensure that you never forget any of your future anniversaries, why not sign up to our free anniversary reminder service?