I agree, here is a closeup, its the same shoes and purse from the spanish statevisit gala (thaiphotocenter/isifa)

Other shoes and purses used in Thailand
Pink sandals for arrival, the purse was first used in the
Guildhall gala in London
shoes for depature (thaiphotocenter)
Purpel and Silver envelope purse and purpel silk shoes, used many times before (thaiphotocenter)