The perfect gift to celebrate a 40th birthday - with Rare Occasions exclusive “square root 1600” design!  This makes a great 40th birthday present for those born in 1977.  We can print for any year or age, if you require a year or age not listed please contact me or simply order and leave your requirements via the notes section within the shopping cart.  If you require a different birthday design or birth year please check following section of our store: https://www.etsy.com/sh...