noun
tin wedding anniversary; 10th wedding anniversary
Refers specifically to the 10th wedding anniversary, following the traditional anniversary naming convention.
今年は結婚して10年目なので、錫婚式を祝う予定です。
This year marks our 10th year of marriage, so we plan to celebrate our tin wedding anniversary.
Compound of 錫 (すず, 'tin') + 婚式 (こんしき, 'wedding ceremony'), following the Western tradition of naming wedding anniversaries after materials.