C. Magkafas was active during 1930–1952, and was based in the centre of Athens, in a building belonging to a Health Insurance Fund at 43b Stadiou Street. The various deeds in his archive can be broken down thus:
| Year | Number of Purchase / SaleTransactions |
| 1931 |
118
|
| 1932 |
136
|
| 1933 |
109
|
| 1934 |
164
|
| 1935 |
153
|
| 1936 |
277
|
| 1937 |
352
|
| 1938 |
342
|
| 1939 |
191
|
| 1940 |
236
|
| 1941 |
193
|
| 1942 |
397
|
| 1943 |
146
|
| 1944 |
87
|
| 1945 |
151
|
| 1946 |
237
|
| 1947 |
363
|
| 1948 |
400
|
| 1949 |
471
|
| 1950 |
751
|