Dreams dictionary: Seal

Dreams dictionary: Interpretation 1
To see a seal in your dream refers to your playfulness and jovial disposition. Seals also symbolize prosperity, good luck, faithfulness, success, security in love and spiritual understanding. You have the ability to adapt to various emotional situations. Alternatively, the dream symbol may also be a pun and indicate you need to put closure on some situation as in "sealing the deal".
Dreams dictionary: Miller Dream Interpretation
To dream that you see seals, denotes that you are striving for a place above your power to maintain. Dreams of seals usually show that the dreamer has high aspirations and discontent will harass him into struggles to advance his position.