Retro Stove gas Soviet portable 2-channel Primus burner in a box vintage USSR

Description

A rare portable gas stove - a stove from the times of the USSR. Found by chance in an old house. Both burners are working. Can be used immediately. It is packed compactly and can be used for fishing, hunting, hiking. All parts are in good condition (only the box is rusty).
Defects: rust in several places (see photo).
Unfortunately, there is no information on the Internet. Weight 3.0kg = 6.6lb. Size 28.0x23.0x11.0cm (1cm = 0.39in).
No stigma - only numbers (see photo). Possibly 70-80s. A good find for collectors.
International delivery to any country, there are exceptions where I do not send, I am not responsible for taxes, customs and postal fees in your country. Private sale is not a dealer.
Depends on the remoteness of the country and the continent.
I can at any time provide a photo of the postal check. According to your desire.
As well as additional photos of the goods, in the messages.
If you need express delivery of goods, provide the postal code, country, city. I will make a calculation.
Shipment within 3 business days, excluding weekends and holidays. If you have any questions, please contact me before purchase. Thank.