Children needing a headstone for their dad

My name is zara and on Friday night I took my daughter to her prom the next day looking on social media at all the beautiful photos, I saw my daughters best friend at her dads grave with a rose . The grave had no headstone to which his children visit and it absolutely broke me so im trying to raise some money to try be able to give them a head stone which they have been trying to save for for 9 years.Thankyou for reading any litte helps kind regards zara