The submarine purporting to be an ASTUTE class sub is in fact a SWIFTSURE or TRAFALGAR class vessel. HMS ASTUTE is the only vessel of the class in the water, at present, and bears no resemblance to the vessel on the stamp. She is still undertaking sea trials from Faslane on the River Clyde.
Malawi 2010 k450 sg?, scott?
Ivory Coast 2016 1000f sg?, scott?
Peter Crichton
ASTUTE-class submarine
Displacement: 7,000 tonnes, surfaced
7,400 tonnes, submerged
Length: 97 m (318 ft)
Beam: 11.3 m (37 ft)
Draught: 10 m (33 ft)
Propulsion: Rolls-Royce PWR2 reactor (with full submarine life core), MTU 600 kilowatt diesel generators
Speed: 29+ knots (54 km/h) submerged (design)
Range: Unlimited, except by food supplies and maintenance requirements
Complement: 98 officers and enlisted men
Sensors and processing systems: Thales Sonar 2076
Atlas DESO 25 echosounder
2 × Thales CM010 optronic masts
Raytheon Successor IFF
Armament:
6 × 21-inch (533 mm) torpedo tubes with stowage for up to 38 weapons;
Tomahawk Block IV land-attack cruise missiles
Spearfish wire-guided heavyweight torpedoes
More on the class is given: https://en.wikipedia.org/wiki/Astute-class_submarine
Source: Wikipedia.
Solomon Islands 2016 $12.00 sg?, scott? and ms in margin.
Guinea 2019 50000 FG sgMS?, scott?