policeman rehearsals of the Bertram Mills Circus in Luton 15th April 1938 - from our story 'Roll Up! Roll Up! Posters and Photographs of Bertram Mills’ Circus' Policeman outside the tent during rehearsals in Luton of the circus in April 1938 View The Article SALE: 15% OFF T-SHIRTS Visit the shop TODAY: 15% off all T-Shirts Discover Our PrintsExplore our Prints Shop Editor’s picks TODAY: 15% off all T-ShirtsDiscover Our 100% Organic Cotton T-Shirts Collect our postcards 10% Off – JUST SIGN-UP FOR FREE: First Name Last Name Leave this field empty if you're human: