The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBVIE INC COM 00287Y109 779 10,715 SH   SOLE   0 0 10,715
ACTIVISION BLIZZARD INC COM 00507V109 1,073 22,738 SH   SOLE   0 0 22,738
ALLEGHANY CORP DEL COM 017175100 8,469 12,434 SH   SOLE   0 0 12,434
ALLSTATE CORP COM 020002101 230 2,259 SH   SOLE   0 0 2,259
ALPHABET INC Cap Stk Cl C COM 02079K107 1,425 1,318 SH   SOLE   0 0 1,318
ALTRIA GROUP INC COM 02209S103 472 9,962 SH   SOLE   0 0 9,962
AMAZON COM INC COM 023135106 335 177 SH   SOLE   0 0 177
AMERICAN EXPRESS CO COM 025816109 247 2,000 SH   SOLE   0 0 2,000
APPLE INC COM 037833100 3,705 18,721 SH   SOLE   0 0 18,721
AT&T INC COM 00206R102 661 19,717 SH   SOLE   0 0 19,717
AUTOMATIC DATA PROCESSING IN COM 053015103 208 1,260 SH   SOLE   0 0 1,260
AVALONBAY CMNTYS INC COM 053484101 274 1,350 SH   SOLE   0 0 1,350
BANK AMER CORP COM 060505104 1,933 66,653 SH   SOLE   0 0 66,653
BB&T CORP COM 054937107 295 5,996 SH   SOLE   0 0 5,996
BERKSHIRE HATHAWAY INC CL A COM 084670108 955 3 SH   SOLE   0 0 3
BERKSHIRE HATHAWAY INC CL B COM 084670702 29,465 138,223 SH   SOLE   0 0 138,223
BOEING CO COM 097023105 207 569 SH   SOLE   0 0 569
BOOKING HLDGS INC COM 09857L108 742 396 SH   SOLE   0 0 396
BOSTON PROPERTIES INC COM 101121101 293 2,275 SH   SOLE   0 0 2,275
CABLE ONE INC COM 12685J105 3,631 3,101 SH   SOLE   0 0 3,101
CHEVRON CORP NEW COM 166764100 596 4,793 SH   SOLE   0 0 4,793
COCA COLA CO COM 191216100 4,377 85,965 SH   SOLE   0 0 85,965
COLFAX CORP COM 194014106 4,942 176,310 SH   SOLE   0 0 176,310
COMCAST CORP NEW CL A COM 20030N101 227 5,367 SH   SOLE   0 0 5,367
CORNING INC COM 219350105 5,962 179,403 SH   SOLE   0 0 179,403
COSTCO WHSL CORP NEW COM 22160K105 522 1,976 SH   SOLE   0 0 1,976
DELTA AIR LINES INC DEL COM 247361702 3,682 64,880 SH   SOLE   0 0 64,880
DIAGEO P L C ADR COM 25243Q205 3,014 17,491 SH   SOLE   0 0 17,491
DIAMOND OFFSHORE DRILLING IN COM 25271C102 286 32,288 SH   SOLE   0 0 32,288
DISCOVERY INC Cl A COM 25470F104 6,942 226,130 SH   SOLE   0 0 226,130
DISNEY WALT CO COM 254687106 6,490 46,478 SH   SOLE   0 0 46,478
DOVER MOTORSPORTS INC COM 260174107 243 116,855 SH   SOLE   0 0 116,855
EXXON MOBIL CORP COM 30231G102 6,028 78,662 SH   SOLE   0 0 78,662
FACEBOOK INC CL A COM 30303M102 1,849 9,579 SH   SOLE   0 0 9,579
FEDERAL REALTY INVT TR COM 313747206 322 2,500 SH   SOLE   0 0 2,500
FEDEX CORP COM 31428X106 292 1,780 SH   SOLE   0 0 1,780
GENERAL ELECTRIC CO COM 369604103 114 10,867 SH   SOLE   0 0 10,867
GENUINE PARTS CO COM 372460105 4,984 48,118 SH   SOLE   0 0 48,118
GLAXOSMITHKLINE PLC COM 37733W105 1,147 28,650 SH   SOLE   0 0 28,650
GRAHAM HLDGS CO COM 384637104 1,756 2,545 SH   SOLE   0 0 2,545
HASBRO INC COM 418056107 6,567 62,140 SH   SOLE   0 0 62,140
HONEYWELL INTL INC COM 438516106 379 2,172 SH   SOLE   0 0 2,172
INGERSOLL-RAND PLC COM G47791101 231 1,822 SH   SOLE   0 0 1,822
INTEL CORP COM 458140100 3,182 66,462 SH   SOLE   0 0 66,462
INTERNATIONAL BUSINESS MACHS COM 459200101 4,336 31,444 SH   SOLE   0 0 31,444
ISHARES TR MSCI EAFE ETF COM 464287465 222 3,372 SH   SOLE   0 0 3,372
JEFFERIES FINL GROUP INC COM 47233W109 7,097 369,040 SH   SOLE   0 0 369,040
JOHNSON & JOHNSON COM 478160104 10,114 72,615 SH   SOLE   0 0 72,615
JOHNSON CTLS INTL PLC COM G51502105 5,213 126,202 SH   SOLE   0 0 126,202
JPMORGAN CHASE & CO COM 46625H100 2,286 20,445 SH   SOLE   0 0 20,445
LIBERTY MEDIA CORP DELAWARE COM 531229854 678 18,115 SH   SOLE   0 0 18,115
LOCKHEED MARTIN CORP COM 539830109 1,693 4,657 SH   SOLE   0 0 4,657
LOEWS CORP COM 540424108 8,377 153,235 SH   SOLE   0 0 153,235
LOWES COS INC COM 548661107 255 2,530 SH   SOLE   0 0 2,530
MADISON SQUARE GARDEN CO CL A COM 55825T103 7,760 27,721 SH   SOLE   0 0 27,721
MARKEL CORP COM 570535104 21,990 20,182 SH   SOLE   0 0 20,182
MARRIOTT INTL INC NEW COM 571903202 483 3,442 SH   SOLE   0 0 3,442
MARSH & MCLENNAN COS INC COM 571748102 2,787 27,943 SH   SOLE   0 0 27,943
MCDONALDS CORP COM 580135101 460 2,213 SH   SOLE   0 0 2,213
MICROSOFT CORP COM 594918104 5,912 44,130 SH   SOLE   0 0 44,130
MOHAWK INDS INC COM 608190104 5,031 34,115 SH   SOLE   0 0 34,115
NORFOLK SOUTHERN CORP COM 655844108 7,663 38,445 SH   SOLE   0 0 38,445
NORWEGIAN CRUISE LINE HLDG L COM G66721104 8,415 156,913 SH   SOLE   0 0 156,913
PARKER HANNIFIN CORP COM 701094104 747 4,395 SH   SOLE   0 0 4,395
PAYCHEX INC COM 704326107 7,101 86,294 SH   SOLE   0 0 86,294
PENTAIR PLC COM G7S00T104 558 15,008 SH   SOLE   0 0 15,008
PEPSICO INC COM 713448108 6,296 48,016 SH   SOLE   0 0 48,016
PFIZER INC COM 717081103 725 16,734 SH   SOLE   0 0 16,734
PHILIP MORRIS INTL INC COM 718172109 370 4,714 SH   SOLE   0 0 4,714
PRICE T ROWE GROUP INC COM 74144T108 8,802 80,232 SH   SOLE   0 0 80,232
PROGRESSIVE CORP OHIO COM 743315103 9,958 124,584 SH   SOLE   0 0 124,584
ROYAL DUTCH SHELL PLC COM 780259206 490 7,530 SH   SOLE   0 0 7,530
RYANAIR HLDGS PLC COM 783513203 4,638 72,318 SH   SOLE   0 0 72,318
SANDY SPRING BANCORP INC COM 800363103 3,824 109,642 SH   SOLE   0 0 109,642
SEI INVESTMENTS CO COM 784117103 851 15,167 SH   SOLE   0 0 15,167
SPDR S&P 500 ETF TR COM 78462F103 350 1,194 SH   SOLE   0 0 1,194
STARBUCKS CORP COM 855244109 1,687 20,128 SH   SOLE   0 0 20,128
TEVA PHARMACEUTICAL INDS LTD COM 881624209 145 15,700 SH   SOLE   0 0 15,700
TRIPADVISOR INC COM 896945201 1,339 28,930 SH   SOLE   0 0 28,930
UNILEVER PLC COM 904767704 253 4,090 SH   SOLE   0 0 4,090
VERIZON COMMUNICATIONS INC COM 92343V104 466 8,151 SH   SOLE   0 0 8,151
WALGREENS BOOTS ALLIANCE INC COM 931427108 5,834 106,707 SH   SOLE   0 0 106,707
WASHINGTON REAL ESTATE INVT TR COM 939653101 344 12,869 SH   SOLE   0 0 12,869
WELLS FARGO CO NEW COM 949746101 5,147 108,776 SH   SOLE   0 0 108,776
WHIRLPOOL CORP COM 963320106 2,069 14,536 SH   SOLE   0 0 14,536