Envelope:
新加坡
大坡
？干拿律二号
郭高合大宝？？展
Letter:
郭高合大宝？
执事先生大冬？者欢商并要？本？？？头此货。
若与此货相似者亦可另劳付些？？为吩高此顺颂。
商？
I can only tell that it's a business letter - nothing much of
interest.
One good thing about computers is that everyone's handwriting
becomes totally legible.
what does it means in english?
