1890 Jubilee card, South Kensington large & GR Post Office postmarks

2nd July 1890 Jubilee card with a South Kensington large postmark and the GR Post Office souvenir postmark. The card itself does have some ageing marks. There were four special souvenir postmarks designed for use at the Jubilee Exhibition, as well as a postally valid South Kensington special postmark.