Very charming Regency 9 carat snake fob with bloodstone seal. Look at his body coiling around to form the shoulders and  the top ring of the seal. He is biting himself to form one of the shoulders. He is a rosey yellow gold that matches well on a 9 carat Albert chain . 
Weighing  11.8 g 
and 27mm tall, the octagonal lozenge base 24mm x 20mm . 
The bloodstone is engraved with the eagle and garter. With the legend ‘virtue et labore’