Barcelona World Fair 1929: opening ceremonies of the Finnish section, king Alfonso XIIII writing his name in the guest book. Behind him is ms. Gripenberg, behind her is Queen Consort Victoria Eugenie of Battenberg.
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Suomen Kuvalehti 24/1929, page 14/1135. <a rel="nofollow" class="external free" href="https://suomenkuvalehti.fi/digilehti/24-1929-pdf/14-3524">https://suomenkuvalehti.fi/digilehti/24-1929-pdf/14-3524</a>