Those boots show some discoloring (darkening). The 1st stage has 5 ports that I can see, 3 Low Pressure (LP) 1 HP (high pressure) and one marked R. The 1st stage shows wear from use. There are nicks/scratches to surfaces and edges.
Toolmarks and oxidation spots on the hose fittings connecting to the 1st stage. Tool marks, wear, scratches, nicks etc from use overall to the 1st stage. There is a hose connected to an LP port (with nothing connected), that hose is close to 36.
It is not branded, just has a warning not to exceed 250psi. There is also a loose hose, it has faint Poseidon markings (mostly worn off). One end has a quick release of some kind with a CP767 stamp.Noted that quick release end (made in Sweden but a different brand I can't make out), has oxidation inside that fitting, there is a center piece down in that end that is oxidized, I can pull the quick release and see the bearings come up and down around that center piece so it is not completely frozen. Both end connectors have oxidation and tool marks.
I didn't find any obvious damage to the hose housings however without a pressure test there is no guarantee. -- See photos for condition details. -- I don't have a way to arrange for a local pick-up of this item, I'm sorry for the inconvenience.
The item "USED Poseidon Sweden Jetstream Scuba Diving Octopus Regulator 1st + 2x2nd Stage" is in sale since Tuesday, June 29, 2021. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Regulators". The seller is "ahp-washington" and is located in Everett, Washington. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.