1st Paper
7th Wool, Copper
13th Lace
35th Coral, Platinum
2nd Cotton
8th Bronze, Pottery
14th Ivory
40th Ruby
3rd Leather
9th Willow, Pottery
15th Crystal
45th Sapphire
4th Fruit, Flowers, Silk
10th Tin, Aluminium
20th China
50th Gold
5th Wood
11th Steel
25th Silver
55th Emerald
6th Iron, Sugar, Sweets
12th Silk, Linen
30th Pearl
60th Diamond
1st Clocks
For information about engagement / betrothal visit http://en.wikipedia.org/wiki/Engagement#Betrothal