In a dream, an upholsterer represents someone who is proud of himself or his work, or he could represent a singer, a helper, a teacher, resting after a long-working day, or someone who curbs the intentions of hypocrites, obliges them, and defrauds them of their assets.
Dream dictionary: urbs jf dream meanings
This dream reveals a desire to receive something that is able to change our current situation. If the envelope contains something unpleasant or empty, it indicates fear. If we write a letter, and it is hard for us to do so, it also reflects fear. Breaking or burning the letter symbolizes break up with a friend or a relative. To receive an anonymous letter, it means there is something that disturbs our conscience. If it is unreadable, it shows disagreement or missed appointments.
If you dream of seeing things, which appear suddenly out of no where, it means that you need to employ your mentality in more original and efficient way. Make sure that nothing disturbs you, while thinking of important cases. This dream wants to show you, that you have to focus on your general education of your mind.