Here we show you one of the finest rarities of the Belgian filatelie, namely Little Albert 20c, bloc of four, with the two types one and two opposite to each other
   type 1 type 2
   type 2 type 1
nr 123 124 of the upper panel
nr 138 139
Only once in thirty years this piece has been sold on an auction and searched all that time and finally found by André.