Triumph World in the UK have a heap of highly discounted NEW Triumph Jackets -
Triumph Jacket Sale
I have bought a few now for me and my friends as gifts. The £25 ISDT women's
Triumph Ladies ISDT Textile Motorcycle Jacket
and Men's Gray Summer Mesh were a real steal and top quality.
The one most like yours with a printed back is also great £124.58 Ace Café and is my main jacket now.
Triumph Ace Cafe Leather Motorcycle Jacket.
If you really want the Union Jack they sell them separately too for just £2.08.

Triumph New Union Flag Patch
There is a 2nd different Ace Café version as well £165.83. Doesn't appeal to me though.
Mens Triumph Ace Cafe Leather Motorcycle Jacket
This Triumph Mens Endsleigh Motorcycle Jacket Olive Green one is a steal £62.50 (note the photos are a different sand color - these are a darker olive green)
Triumph Mens Endsleigh Motorcycle Jacket Olive Green I like the old style and the leather trim looks great. I have one in my collection.
Postage is a flat £70 for orders over £50 and £30 for orders up to £30. 20% VAT is taken off price either at checkout or before if you are logged in as an overseas customer. I am 350lb 6'1" and the biggest in that range 3XL fits great.
So does the very cheap but superb Expedition £107.50 cold and wet weather jacket
Triumph Expedition Motorcycle Jacket Mine is a snug but great fit with the heavy removable liner in place.
The T shirts are also great value starting at £4.17 with most 3XL ones £10.83 -£12.08 after 20% VAT is removed.
T Shirt Sale Event
Revzilla in the US also discounts a lot of the same jackets so check their prices with shipping too before buying. I got my Ace Café jacket from Revzilla before finding them cheaper overall from WOT. REVzilla are OOS on the Ace Café now but still worth a look.
Triumph Motorcycles